key (ones) car 

to take a key or other sharp object and scratch the car of a person you hate, leaving scars in the paintwork that look shitty and cost a ton to have fixed

"man, i can't believe michael hooked up with clara after i told him i liked her. let's go key his car!"

key (ones) car by lauren August 31, 2003

key (ones) car 

verb, to scratch the paintjob surface of a car.

I had my car out of storage for just 3 days, and some dickless piece of shit had the nerve to key (ones) car.

key (ones) car by nick_g July 6, 2010

key (ones) car 

The result of being a douchebag.

To key (ones) car:

Bro 1: Oh meh godd bro someone totally keyed my sweet ford f150! My dad is going to kill me!

Bro 2: People must just be jealous of your killer ride.

Intellegent Person 1: Or, you're just a complete asshole.

Bros 1 and 2 (tandem): OOOOOHHH Yeeeaaarrrhh

key (ones) car by Corkit August 4, 2011