pork piston

a WEENURR

this is my pork piston. it goes in your cumbustion chamber.

by Mediocrites_the_Average June 15, 2011

Stinky Piston

Take someone who is face down ass up and lube up your arm and repeatedly punch them in the asshole until your whole fist and arm enter. After it is in, then proceed to pump your clenched fist in and out. Making your arm bend and extend having the look of how a piston works. Hence… The Stinky Piston.

If you don’t shut up, I’m gonna give you a Stinky Piston!

by EkoMiles December 16, 2023

Pistoning

piss-ton-ing
(verb)

Rapid back and forth motion contained within the ass (closed first or otherwise) without removing the hand.

(see also: Fisting)

Him: So, how do you like to get fisted?
Me: Pistoning is my favourite! Piston my hole so fast until I cum without jerking off.

by PureTea January 9, 2023

red-tail piston bopper

The mating call of a rare bird that inhabits the car engine. Identified by a loud screeching sound upon ignition (not to be confused by a worn out engine belt)

"Did you know that your car is making a loud screeching noise?"
"Yes, I think it's a red-tail piston bopper.
It's a mating call."

by Flighty January 31, 2019

Piston Cup

He did what in his cup?

Lightning McQueen: Doc won 3 Piston Cups!

Mater: He did what in his cup?

by UltimateDoge September 11, 2022

Greasy Piston

n. adj. A greasy piston is a person that indulges in activity of the homosexual persuasion. Greasy coming from the chocolatey brown color of shit, and piston from the penis and it's motion in and out of another man's rectum.

I think you are a greasy piston.

by Maxieboy July 17, 2003

jizz piston

slang for penis

That bloke's got a nice looking jizz piston.

by m_step March 15, 2021