The actual of taking a dumb while, or shortly before eating, effectively draining the old substance to add in fresh product.
Person #1: You gonna get off the dumper and eat those pizza rolls, or you just gonna let them go cold?
Person #2: No, just a routine oil change. Gotta empty it out before I fill it back up.
Person #2: No, just a routine oil change. Gotta empty it out before I fill it back up.
by DCShred96 March 04, 2017
An oil change is expressly defined as changing out one’s inner fluids; this means peeing, shitting, and then cumming consecutively. The best way to start off your day.
“Hey Johnny, have you finished your daily oil change yet?”
‘Not yet man, I still haven’t finished my number 3!’
‘Not yet man, I still haven’t finished my number 3!’
by carpetmunchingindian January 16, 2021
When you do Steroids and your natural testosterone gets replaced with synthetic testosterone made in a bath tub
by RedBlackGold20000 July 26, 2023
The act of chugging water while urinating. Typically in the middle of the night after a long day of drinking too much.
I drank so much yesterday, but I’m not hungover. Probably because I did 3 oil changes in the middle of the night.
by Truco20 December 15, 2023
person: hey.
other person: hey... whats that noise?
person: don't mind the noise, just changing the ac water. whats up?
other person: hey... whats that noise?
person: don't mind the noise, just changing the ac water. whats up?
by daddyfatsacks001 June 29, 2010
by Gwaggyo_2 April 22, 2023