The act of a man inserting his penis into a woman's anal cavity and pulling it out with poop on the head of his penis, then inserting it into another woman's anal cavity, thus causing some sort of exchange of bodily fluids
by creamcheeseee October 13, 2016

"Hey did you did you hear what Grant and DJ did last night? They were docking and Grant peed in the middle of it!"
"Oh you mean an oil change?"
"Oh you mean an oil change?"
by janeyikes August 10, 2018

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.
by Stealth Money January 23, 2004

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.
by whosucks March 29, 2010

by Nefearious K. December 20, 2004

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.
by STURDYDIRTY09 July 04, 2009

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.
Sgt. Blue Balls: How did you know?
Prvt. Les: Careful she don't just bite it off.
by lowercased April 15, 2006
