shit piston

A faggot's cock. It is continually going in and out compressing shit until it finally fires

Grass doesnt grow on a busy street. That poof has a bald arse because he is constantly being thrashed by a shit piston

by LuciferDarklord January 28, 2008

Stiff Piston

An uncontrollable erection which lasts for a long period of time, despite attempts to flaccidate.

That girl kept staring at my Stiff Piston, it was so embarassing

by rangadale May 11, 2010

Zimbabwe Piston

you lay across two chairs then someone below you sticks a penis up your ass then you stick your penis on a person on top of you's ass. You must maintain constant insurtion, thus making it look like a piston of a car.

Last night George, Steve and I got two chairs and decided to Zimbabwe Piston

by Rim Dad Toucher March 6, 2011

Pisolev

Pisolev is a word that define a friendship. This friendship is Piper Rockelle Sophie Fergi and Lev Cameron. These three people are awesome human beings that have a YouTube channel. They have many friends but this friendship is stronger than any other in this squad

Fans: Pisolev is awesome

Sophie: look at this pisolev edit

by goatfam_piperazzi_editz_ insta June 4, 2020

Pussy piston action

The sound created when a man thrusts his penis into a tight, well lubricated vagina. Also known as vulva volume.

Man, pumping that dirty bird I picked up last night, her pussy was so wet the pussy piston action was phenomonal. I swear she was running some Penzoil grade shit.

by Geezer81 March 31, 2007

The Piston

n. A sexual maneuver between a man and a woman/pwn victim/Pruger in which the man retracts his testicles up into his lower stomach and then shoots out one testicle at a time, alternating testicles with each blast. This is an alternative form of The Shotgun.

The NBA team The Detroit Pistons got its name because the founder of the franchise could use The Piston with extreme speed and accuracy.

by MC Derf March 17, 2008

Detroit Piston (pissed in)

The act in which the male participant urinates directly into his female counterparts mouth, which she is not allowed to swallow. He then proceeds to face-fuck her in her urine filled mouth, with the ferocity of an automobile piston. This ideally occurs while the man is wearing a Chauncey Billups jersey.

Optional: When urinating in her mouth, go for the "3 point shot" by taking a few steps backwards for extra distance and accuracy (just like Chauncey).

Sarah: How was the game, babe?
Derek: Great! Chauncey Billups scored 35 points!
Sarah: Oh, that's awesome, hunny!
Derek: But no points were as big as this one. Open your fucking mouth you dirt-whore!
Sarah: Oh my! Why?
Derek: Because you are asking for a piston pump, you half-retarded hooker!
Sarah: Well, ok... (opens mouth and gets on knees)
Derek: How d'ya like theeat! (urinates in mouth) Hold it! Hooold it! Don't swallow! (proceeds to "Piston Pump" her mouth) Congratulations, you are now a "Detroit Piston (pissed in)"!

by Brad Delp April 11, 2008