Someone who finds sexual pleasure with cars whether it be-
1)fucking the exhaust pipe,
2)feeling da vibes of da engine, or 3)simply a person who is too cheap to buy car lube so he uses his cum instead.
4)Masturbating over a car (over under)
Any of your friends car fuckers- it's a victimless crime but theyz prob so fucked up dat they need sum yrz of therapy.