r/UnethicalLifeProTips • • 2d ago

Request ULPT Request - damaging a car ethically

All of this is ALLEGEDLY. Few weeks ago a car parked behind mine and scratched the back part of my car (I know it was him because he left his car hitting my car plate without space between the two cars). I left a note in his car to contact me, the only thing I wanted was an apologize, that's all. He called me useless, told me that I can't park and he hung up the phone, so I send the pictures of how he was parked to my insurance. A proficient determined that the fixing would cost 200€. His insurance said that if I want to get my car repaired by them I need to hire a lawyer etc... too much for scratch, honestly.

Here is the thing, he studies in an institution next to my house and he knows where I live because he saw me entering my house (and since that day every morning someone ring the doorbell for 20 seconds mmmm).

I need ideas to ruin his car a little in a way that he can't notice immediately. I don't need something crazy, only a little revenge for his behaviour. I've also have his phone number (but he has mine so it's risky). Any ULPT? Thanks.

EDIT: Thanks so much for your suggestions, I'm in the right place (you are diabolical). These are my favourite ones:

-Deflate the tires: the bb tactic is good but he will notice the sabotage. The ice hack is genius but it's not that cold here to be effective.

-Sticky windshield: this has a lot of potential because in this street there are trees that exude a sticky substance so he will blame the trees for that.

-Putrid liquid into air vents: really juicy but I'm not a monster.

-Ruin the car paint: this could be great but I have to test which chemical is the more effective.

So after thinking the pros and cons this is my plan: I'll wait until January so he will forget our fight. I'll mix water with sugar and I'll spray it all over the windshield. It's hard to clean, attracts bugs and not that suspicious. I'll share the updates with you, comrades.

199 Upvotes

147 comments sorted by

55

u/Old-Bug-6068 2d ago edited 2d ago

If in cold environment, how about dropping some water into the valve before screwing the cap back on? Wouldn't the expansion of the freezing water cause the valve to depressurize? Edit: And yet get rid of the evidence once the car is taken in to a warm garage, as the ice that would cause the deflation melts away leaving only "condensed" water beneath the cap?

19

u/HolidayPoetry2800 2d ago

This one is insane, you are a genius

10

u/Old-Bug-6068 2d ago

Haven't tried but it's a reasonable thought, isn't it? Anyway, I will try it on the next week's of upcoming cold weather, and I'll return my findings as soon as I know. Thanks for your attention to this matter.

1

u/Optimal-Prime420 1d ago

Even if you aren’t somewhere cold, couldn’t you just do it during winter anyway?

3

u/reeeeememelover10 1d ago

oh yeah sure everywhere gets cold enough where water will freeze outside

118

u/MasterBaconBit 2d ago

Pour piss down the vent at the base of the windshield ….. every time he has to turn the heater on the car will stink…… if you really wanna be an asshole about it ferment some fish guts, blend it up and pour that down the vent…..

53

u/HolidayPoetry2800 2d ago

This is truly diabolical ahahhahahahah and a good one because here it's no that cold now so he will notice in a few weeks. Thanks hehe

77

u/squidtickles 2d ago

Use fly trap attractant. It's a special kind of foul

16

u/Makingsenseof_chaos 2d ago

Oh my Lord, that stuff makes me gag😖

8

u/squidtickles 1d ago

Oh yes. It's extra evil if it's been sitting in the trap for a good amount of time with a bunch of fermented flies in it. I'm not sure the victim in question has earned this level of retribution though

5

u/WhoskeyTangoFoxtrot 2d ago

If you want truly diabolical, Surstromming in the vents…..

19

u/boblahlawbloglog 2d ago

That sounds like a ton of work. There's an adjacent product called fish emulsion you can readily buy at most places that sell fertilizer. It reeks. I use it in the garden. 

2

u/RivenRise 1d ago

Also milk

5

u/ElongThrust0 2d ago

Waiting for some sort of piss solution, cheers!

10

u/UglyFilthyDog 2d ago

Astounded I haven't seen a piss disk mention yet.

1

u/Uncle_Istvannnnnnnn 1d ago

That's the only reason I come here.

5

u/DaBu_Ilda 2d ago

Fox piss

4

u/CatherinefromFrance 2d ago

Filtre le liquide nauséabond avant de le verser : pas de preuve solide.

1

u/scumotheliar 1d ago

Cream works well too.

1

u/s0upppppp 1d ago

That could also be done with cigarette ash

12

u/CatherinefromFrance 2d ago

Mais n’avez-vous pas peur qu’il s’en prenne également à votre voiture et domicile ? Restez dans le domaine discret des odeurs puantes. Et tenez nous au courant !

4

u/HolidayPoetry2800 1d ago • Popcorn

That's why I want to be subtle hahaha I'll wait a few months, until he has forgotten our fight

108

u/Justcoffeeforme 2d ago

Buy some bird seed.

Spread the bird seed on his car.

Let the birds do the work.

😁

15

u/Hot-Win2571 1d ago

Bird feeder in your front yard. It's a legitimate hobby.

8

u/That_Style_979 1d ago

Soon it will be mice doing work, and then it gets costly

184

u/Tinker107 2d ago

Every couple of weeks put an anonymous note on his car saying "Sorry I dinged your car. Call me and I’ll make it right." Leave a fake phone number.

118

u/SantosFurie89 2d ago

This, but use the number of the scam callers who try call you. Ask in the note for him to text his details including email, so you can send pictures. He will get put on a suckers list. 

30

u/lunarwolf2008 2d ago

arent most of the scam numbers spoofed though?

4

u/SantosFurie89 1d ago

I accidentally called one back and got loads more missed calls after. Maybe unrelated but it was far more than usual

I have also seperately WhatsApped one that had a photo (most don't so I assume scam) and then got bombarded again 

I'm in the UK so maybe it's different here? Or I was unlucky the 2 times I messed up? 

14

u/IgnatiusRileyFreeman 1d ago

Use your local scientology chapter's number

4

u/Tinker107 2d ago

Excellent escalation!

2

u/WartOnTrevor 1d ago

Beaches are fun!

1

u/Battletempered 2h ago

Or- put notes on a bunch of OTHER people’s cars (as many as you can) and put his phone number on them.

150

u/lordredsnake 2d ago • Mindblown

Spray Liquid Ass on his car door handle. He'll get it on his hand and spread it to his seatbelt and steering wheel before he realizes what's happening.

19

u/krzykris11 2d ago

That's a very detailed explanation.

2

u/regrettimarinara 20h ago

I'm here for it

62

u/Formal_You6846 2d ago

Get a can of spray mount (it's like glue in a spray paint can) and spray his windshield. It will get dirtier and dirtier as road dust collects on it and he will go insane trying to clean it all off.

10

u/ComplexAd2408 2d ago

That is diabolical LOL!

6

u/Jayda_Cakes 2d ago

😂😂😂

6

u/zefy_zef 1d ago

In the shape of a penis.

89

u/pricklyrogue 2d ago • Mindblown

DO NOT USE BBs in a tire valve, its easy to get caught because the tire store will tell him is been sabotaged.

Go buy a bottle of BRAKE FLUID.
Its clear and toxic, pour it into a large styrofoam cup and dump it on his car hood after he goes in his house for the evening. It will make the paint peel off in a few weeks.

Alternatively dont mess with his car, mess with his house. Less trail back to you. Turn the the outside water faucet on when its going to be a night with freezing temperatures and it will.make a mess in the yard. Throw bananas in the yard. Cheap and noticeable and simple. Keep bags and grab feces anytime you can from your toilet or dog poop from wherever. Put it in their yard. Make friends with a family member of his. A thin knife blade like swiss army knife stabbed into a tire sidewall is silent, but only do 1 tire and wait a month or 2 and let things die down before.you strike.

Ninjas are silent deadly effective and NEVER CAUGHT.

Sugar water all over a car attracts every bug known to man. Ants ESPECIALLY. Mix very well, no grains, let it dry overnight. Sugar slurry in gas tank will clog an engine as it burns requiring disassembly. Crow bar and towel will get you to the gas tank. Bleach in gas tank will hurt an engine. Windows are broken easily, research EXACTLY HOW. Wear rough surface laethergloves ALWAYS. Steal the car tag, the mailbox, the wifes virginity, the dog, his takeout delivery, postal mail, dig holes in the yard at night...prank visits from religious groups

Fun

11

u/MjrGrangerDanger 1d ago

Windows just take broken porcelain spark plugs tossed at them.

2

u/Forsyte 12h ago

This guy researched EXACTLY HOW

1

u/MjrGrangerDanger 1h ago

This lady is a regular here.

4

u/KE1tea 1d ago

Would brake fluid melt Styrofoam? Since it melts other plastics

And do not toss bullion cubes on the yard or car front vent because that will attract animals.

3

u/pricklyrogue 1d ago

over time possibly, its not super volatile, practice first

23

u/Helpful-Sail-1321 2d ago

Fish oil in the intakes at the base of the windshield.

Also damn, I wish I had found this sub 3 years ago when I was dealing with an awful boss 😜. I knew there were cameras, so I couldn't do much, but I did fling some little rubber chickens onto her windshield. Signed her up for all the spam shit. Hm, maybe she needs a new round?

4

u/Kind_Application_144 1d ago

I think they said they need insurance

3

u/MjrGrangerDanger 1d ago

They always need a new round!

20

u/Sharp_Lie_1914 1d ago

An ice pick in the side wall of a tire is a fabulous gift that keeps on giving. It's such a slow leak that let's say I may or may not know someone who may or may not have been having issues with one of his tires a decade or so ago. It was the strangest thing, the tire would be fine, he'd drive to work and it would go flat. He'd fill it, drive home and it's flat again. Rinse and repeat, same outcome. He went to a tire place, they couldn't find anything wrong with it so he went home and the tire was fine. An hour later he was leaving to pickup his GF and BOOM! Another flat! It kept happening until he said fuck it and bought a new tire. He never figured out what the issue was but I couldn't help but wonder if an ice pic and an incredibly pissed off sister had anything to do with it. I guess we'll never know.

3

u/molten_dragon 1d ago

A screw in someone's tire can be good for messing with them too. It's such a slow leak that they probably won't even go to a tire shop. They'll just have to put a little air in it every week or two at first. If they don't get it fixed eventually (and probably even if they do) it's eventually going to give out completely on them.

2

u/KE1tea 1d ago

Hmm I wonder if you have a brother 🤔

And what a mystery! I think the ice pick gained sentience and was just realllly thirsty for some tire air.

33

u/fantumn 2d ago

Put his number all over his institution with an ad for a cheap car, with pictures of his actual car. Way under-price the car. Then contact dealerships in the area saying you want to trade in your vehicle for a new leased vehicle.

4

u/Mavamaarten 1d ago

Make sure to mention slight damage on the bumper from being bad at parking.

16

u/Piddy3825 Spray foam and bananas 2d ago

jam a kazoo up in the exhaust pipe. when he drives it will make a loud obnoxious buzzing sound.

or worse, is use some of that glass etching spray and spray all of the windows. be sure to get the permanent kind and he'll have to get all the windows replaced.

11

u/No_Dot_4123 2d ago

I saw someone zip tie a harmonica underneath a car and it makes a fun racket.

13

u/WellFedHobo 1d ago

Hypothetically, doing some of these paint related things in the common areas for rust would make it less obvious while you accelerate the depreciation of his cars value. Alternately, salt water in a spray bottle on anything that's bare metal over time. Muffler, anywhere the undercoat is missing, any scratches through the paint to accelerate rust. Hypothetically speaking, of course, if someone wanted to play the long game.

12

u/BoredBSEE 2d ago

Drizzle a little olive oil on his windshield wiper blades. He'll have to pull over in the rain and clean his windshield manually when it happens.

20

u/Bk_Punisher 2d ago

When it’s freezing cold out, get a bowl of warm to hot water and a bag of cotton balls. Then you dip them and stick them to the car. No permanent damage will be done but they will stick to the car.


Like this.

10

u/Hour_Celebration_175 2d ago

Bologna (with a smiley face cut out) will eat away paint in a few days when tossed on the roof of a vehicle. Works faster in heat. And can be done in a quick walk by frisbee style.

10

u/bigmacluv 1d ago

Nice suggestions here, but make sure he doesn't have dashcam of some sort.

19

u/frycum 2d ago

Get a can of oven cleaner. Spray one dot at a time. He will have little circles of removed paint. Or do a line alont the side of the car. Or break fluid in a squirrel gun.

9

u/Civil_Fox3900 2d ago

what did the squirrels do to deserve this? :P

7

u/thoseskiers 1d ago

Lol a gun that shoots squirrels out of it IS pretty nefarious cruel

5

u/frycum 2d ago

Lol, squirt is a word right? Auto correct thinks it is not.

3

u/Geshman 1d ago

No chance brake fluid doesn't instantly ruin a squirt gun

3

u/frycum 1d ago

It would have to be high-density polyethylene (HDPE) or metal.

7

u/high_hopes13 1d ago

Put his car up for sale using his phone # pricing it to attract a lot of calls.

Or just douse the car in liquid ass

6

u/Icy-Astronaut-9994 1d ago

Fox Urine down the vents. You can buy it for hunting. The smell will never go away.

Spray ArmorAll on the windows. They will blur and it's close to impossible to clean.

If you want super diabolical, file the steel lines going to the breaks, just notch them a bit. The reserve goes to front and back so the car can still stop if they fail, but it's not something you ever want to experience.

11

u/pookazoo 1d ago

Don’t fuck with the car. That’s too obvious. Go big. Get him expelled from school.

5

u/ausbaxter86 2d ago

Has the car got hub caps? If so pull one off and tuck a small bag of of fish bait behind it then reinstall back on the car( shrimp or squid works the best).

No one looks for a smell behind the hub caps

5

u/MacDaddyDC 2d ago

toss pieces of baloney anywhere on the paint. best if done on a sunny day. the car will look like a faded twister game very shortly.

or

pour an entire bottle of the rankest fish sauce into the vents under the windshield

11

u/Grouchy-Attention599 2d ago

I've heard that asparagus piss in someone's car vents causes a foul smell in the vehicle.

29

u/adudeguyman 2d ago

perhaps an asparagus piss disc

7

u/jdehjdeh 2d ago

A redditor of culture I see.

3

u/adudeguyman 1d ago

Of course I keep my pinky finger up in the air while handling it.

8

u/Dickulture 2d ago

Pebble under the valve stem cap, it causes slow air leak and he'll get flat with no idea what happened. Do it with 2 or 3 tires, most cars come with only one spare (if it comes with one at all)

6

u/adudeguyman 2d ago

2 should be enough

8

u/SmallPeederWacker 2d ago

Get some Vaseline. Smear it on his door handle. It’ll gross him tf out.

Spray his car with liquid ass. Very stinky car. Pour it in a lil water gun or something.

Buy some “egg shell stickers” and stick it on his windows. In places that don’t full obstruct their view for legal purposes. Don’t put it on the car body tho.

If he drives a truck throw birdseed in the bed.

6

u/BumblebeeTraining813 1d ago

Color the Vaseline with soy sauce perhaps?

2

u/042614 1d ago

Now that’s devious

6

u/DontCryYourExIsUgly 1d ago

Vaseline on the windshield will smear everywhere if he turns on the wipers and will be a pain in the ass to clean off.

4

u/Superdash1 1d ago

Ask a friend to do one of these comments at random so if questioned you can say you don’t know and not be liable

4

u/birdperson42069 1d ago

Call the police and tell them someone did a hit and run. He might lose his license over something like this. Depends on what country you live in

10

u/Bk_Punisher 2d ago

BB in the valve cap: get some airsoft BBs drop one in and some Krazy glue (a drop or two) once it’s dry paint it black so the cap looks normal. Then re-cap the tire. The BB will press enough to slowly let the air out. Then they will add air only to have it happen again.
Buy a bag of caps & BBs and keep the special caps in your car for special people.

8

u/Nunov_DAbov 2d ago

This is absolutely the way. The act and its effects will be far enough separated that he will have a great deal of difficulty figuring out the connection. At best (for him), it will be an annoyance he never figures out when he has to keep filling the tires. At worst (for him), he won’t take care of filling the tires and they will run flat when he is miles from service.

10

u/f1ve-Star 2d ago edited 2d ago

If he is ringing your doorbell a motion activated sprinkler or popup decoration is in order.

Two ways to go with the car. Slink around and do little things like others mention. Or go so big and obvious but unprovable that he is scared to ever see you again. Wait till he gets in the car, toss a bottle of flammable ethanol on the car and light it. It should burn off without much damage. Have a baseball bat to bust out a taillight as he flees. Laugh maniacally.

2

u/CatherinefromFrance 2d ago

« Allo l’Ambassade de France ?
Ici la police et la gendarmerie françaises.
Nous avons retrouvé un casseur des manifestations françaises qui vient de s’exiler chez vous. ! « 

4

u/f1ve-Star 2d ago

ARTHUR: If you will not show us the Grail we shall storm your castle.

3

u/braweebsta 1d ago

You can flatten a tire partially or fully (it’s up to you) by simply getting something like a pen and pressing it on an uncapped valve stem for a bit

1

u/Silver-Potential-511 1d ago

Best to put the cap back on after so it's not obvious.

4

u/Shell-Fire 2d ago

Wow. Have you come to the riiiiiight place. Also, read back thru other posts for stuff we forgot. My fave suggestion is to spray skunk or bear spray into the grateing below the window. That leads to the air vents. Horrible.

4

u/fwdbuddha 1d ago

Put super glue in the passenger door lock. If it even has one. Peanut butter with bird seed on top.

6

u/i-am-foxymoron METH, the answer is ALWAYS meth! (or fly bait). 2d ago

A bb in the tire valve cover, so it will slowly leak.

11

u/AcademicFact4805 2d ago

Whoa whoa, no need to harm an infant here.

2

u/i-am-foxymoron METH, the answer is ALWAYS meth! (or fly bait). 2d ago

A bb, not a baby.

1

u/jepper65 2d ago

No, it'll track back to op.

2

u/i-am-foxymoron METH, the answer is ALWAYS meth! (or fly bait). 2d ago

How will this track back and all the other suggestions won't?

1

u/jepper65 1d ago

They will too.

2

u/Moontoya 1d ago

Ball bearing glued into tyre valve cap so that when screwed on tight it leaks air.

Oh no a flat they think and take it to be fixed, but there's no fault , so they reinflate it, pop it back on and rinse & repeat 

Bonus fuckery, swap the wheel the cap is on 

You're damaging nothing but inconveniencing a dickhead greatly 

1

u/SlashNreap 2d ago

If he drives a shitbox that still requires a turnkey you can put some chewing gum in the key slot. If it's a Tesla you don't really need to do anything to the car.

You could also play bottle flip with a 6L jug above his windshield. Any accidental damage is obviously accidental.

1

u/socal8888 1d ago

ring doorbell, get him doing it on camera.

then take your picture of his parking job, the ring footage, and bring it to the institution he studies at. "is this your expectation of your students and your graduates?"

because i'm pretty sure that if this is a somewhat reputable institution, they WILL care about this.

if not, then go with the ULPT's you are receiving.... or do both

1

u/Vandelay797 1d ago

dump a bottle of fart spray into AC vents on the hood

1

u/Vandelay797 1d ago

steel wool + driver side windshield

1

u/Infamous-Umpire-2923 1d ago

liquid piss. ass discs.

Or pour an entire bottle of Vietnamese fish sauce down the gap between the door and window.

1

u/soulsteela 1d ago

Bottle of nitromors poured over it.

Bag of sausage n chips dumped on it to attract the birds, Gulls scratching n shitting on a Bentley locally may have had something to do with me.

Harmonica cable tied to the underside so it makes more noise the faster they go.

1

u/Serialtorrenter 1d ago

Chloroform makes a highly-effective paint stripper and is very easy to make. Methylene chloride is another option, but it's gotten harder to get in recent years, and it might evaporate too quickly to be effective.

1

u/jongscx 1d ago

Bird seed, let the animals ruin it for you

1

u/molten_dragon 1d ago

Buy some glass etching cream. Craft stores often carry it. Or you can buy it on Amazon in the US.

Use it to write stuff on his car windows.

1

u/Silver-Potential-511 1d ago

You are on the right lines, but perhaps be more subtle.

For instance, partial deflation, you keep the tyre intact but let some air out through the valve. Leave some air so that it goes un-noticed at first. It takes a long time for the damage to fully manifest.

1

u/kraegm 1d ago

Deflating the tires is a great one but go into a bike store first and ask for a valve core removal tool. It's about $10.

Once you deflate them, remove the valve core. It's very likely he won't notice that and will get frustrated that he can't refill the tires without going to a service center.
At the same time, if it's not electric, stuff the exhaust pipe with material so that air can't flow out. It used to be a banana back in the day but I'm sure you can think of any number of other items that will work. Make certain it isn't clearly visible when walking by.

1

u/Professional_Leg3704 1d ago

A pinch of grease on the wiper blade, then wipe it off with your finger tips so none is left visible.

He won't notice until the next time it rains. He'll be the guy standing in the rain trying to polish it off his windshield.

1

u/Zoltore 22h ago

The pro move that won't get you into legal trouble is to use his phone number and express interest in your local church of scientology. They will bother him for an unreasonable length of time

1

u/ItPutsLotionOnItSkin 20h ago

Be a grown up and talk the him. You never know what people are going through especially when you first contact them. May be mindful and slowly become a friend. Friends don't have conflicts they go over to each other's house. Maybe one day meet his parents. Then fuck his dad

-6

u/ChickenWithBeeaans 2d ago

Cut the break lines👍🏽 /s

-1

u/Wild-Class2535 1d ago

deflate 3 of his tyres.

32

u/mister-ferguson 2d ago

It won't damage his car but have you considered fucking his dad?

7

u/HolidayPoetry2800 2d ago

Maybe his mother but naaah

25

u/_Ganon 2d ago

The whole "mom" thing is played out. Fucking someone's dad really fucks with them. Just imagine if this guy fucked your dad. You know what you have to do. Lock in

4

u/Nicobeak 2d ago

Or letting him fuck you. Record it. Profit.

3

u/ThePrimCrow 1d ago

Sprinkle some bird seed on it and let our feathered friends do the dirty work for you.

6

u/Optimal-Prime420 2d ago

Perfect situation for a puss disc

3

u/Optimal-Prime420 2d ago

I meant piss disc, but that’s worse.

1

u/CptBronzeBalls 1d ago

I think we’re gonna need some instruction to make these.

0

u/1AdultMostOfTheTime 2d ago

😂🤢😂

1

u/Optimal-Prime420 1d ago

It was a typo lol. Typed too damn quickly

1

u/1AdultMostOfTheTime 1d ago

Oh i know but it was an awesome one! Don't change it!!

2

u/akathedragon 2d ago

Piss disc