three piston engine

A group sex act in which three people who possess phalluses simultaneously penetrate the orifices of one other person.

Three members of the college football team showed the Captain of the cheer leading squad how a three piston engine worked.

by PsickoAlpha March 14, 2014

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

Pittsburgh Piston

A term used to describe when someone is getting their dick sucked or rode by a person while they’re driving a vehicle.

“Hey, do you mind if I give you a blowjob while driving?” she said. “Oh, you mean a Pittsburgh Piston?” I responded.

“Dude, get this. She rode my dick WHILE I was driving! Ain’t that crazy?”
“Damn! That Pittsburgh Piston must’ve felt nice…”

by Darth826 January 27, 2025

something with pistons

something with pistions(also known as stmg with pistons)is the art of useing pistions to steal illigal/unobtanible blocks form a minecraft map

guy 1:how do you have so much netherite
guy 2:something with pistons

by godstone July 14, 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

piston job

When a sexy brunette gives you an amazing blowjob until you cum in her mouth, she then swallows it and licks her lips

My girlfriend gave me a piston job lastnight it was amazing

You lucky bastard

by Barbay February 21, 2017

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