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
This occurs when purchasing an item and your change is 4 cents, 9 cents, 14 cents, etc, and the teller rounds up your change to the next highest denomination becuase they're cool shit and pennies are ridiculous.
a buys a coffee. b (teller) does the change round-up.
a: Thanks dude.
b: No prob. I hate this job anyways.
a: Yeah, screw the man.
a: Thanks dude.
b: No prob. I hate this job anyways.
a: Yeah, screw the man.
by sike moda November 17, 2009
by happysandwichrundude September 25, 2020