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triple piston

When a man, nude, between two females, as he is fingering both of them, one of them has a hand on his balls and the other is jerking his penis vigorously until they all get off.

Looks like a triple piston kind of night.

by triple piston June 9, 2012


jizz piston

slang for penis

That bloke's got a nice looking jizz piston.

by m_step March 16, 2021


piston pushes

When she bounces on your little weenie while you thrust up.

Three more Piston pushes babe.

by Big Richard 114 May 12, 2017


Virgin Piston

A virgin position

Dude I heard that kevin gave her that Virgin Piston

by Thot Terminater November 17, 2017


Piston Rape

The most violent form of rape

I was playing COD last night and piston raped the enemies

by slipperyslazo November 19, 2021


Seized Piston

Can only be done in cold climates. When you are having sex or masturbating and when you are about to bust you run outside and stick your penis the snow.

I tried a seized piston last week

by Hduwbdwkcn April 15, 2019


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 4, 2014