the act of getting screwed in the ass.
"Dude, I got my oil changed last night."
by StalkerMunkie October 23, 2007
when a girl has her period it is an oil change. out with the old bad old, in the with good clean oil.
Man, she's on her oil change again.
by iwillbohnyou February 08, 2005
To stick your dick in bitch's asshole, and try as hard as you can to pee in her dirty slut ass.
That bitch Gabriel just got an oil change.
by Chaimo March 15, 2008
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
Charlie hated Clarissa so much he gave her a nasty oil change.
by Kurt January 24, 2005
when you give a girl an enima and she holds it in with her thumb, stands over you and lets it out all over you.
sarah loves to get an oil change from guys she just meets, and let it out on there face.
by tommy October 20, 2003
It's where you suck a dick til orgasm, keep it in your mouth, then blow it in the asshole, then feltch it back out and swallow. I don't advise it.
Damn I need an Oil Change.
by joosht March 19, 2009
where you unexpectily stick your index and middle finger up the lineing of someones anus.
john: "oil change!"
matt: "oooh was that the valvoline or the mobil? flush my transmission while ur at it."
by mr. 300 July 25, 2006

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