When an athlete who does drugs has a drug test, and they go to the doctors so they can get there urine switched with clean urine through a giant tube inserted through your penis hole.
Sorry I was late Jake, I had to get my oil changed before Coach gives us another drug test.
By Di
Oil Change
A way for an athlete to pass a drug test by inserting a tube up his urethra(penis hole), then inject clean urine in through the tube.
First you get on one of the carts you use to go under a car. You roll under your girl when shes on her period, heavy flow. You take out the old tampon and if blood gets on you thats ok your doing your job right. Clean her up, put in a new tampon, roll out from under her and give her a thumbs up.
an oil change is a euphemism for a blowjob, which in turn in a euphemism for oral sex, which in turn does not count as cheating (C:
Friendly Girl: Hey there soldier, you look like you could use an oil change
Sgt. Blue Balls: How did you know?
Prvt. Les: Careful she don't just bite it off.
By Else
Oil Change
To stick your dick in bitch's asshole, and try as hard as you can to pee in her dirty slut ass.
john: "oil change!"
matt: "oooh was that the valvoline or the mobil? flush my transmission while ur at it."
By Lilly
Oil Change
the process of inserting fecal matter into a vaginal opening then subsequently delevering a stricking blow to the uteran area whereby said fecal matter is focefully and quickly exspelled through the vaginal opening
