The art of shoving one whole fist in a girl's arse and the other in her vagina and ramming them in and out alternately (like a piston system)
I was piston fisting her til she blead
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(n.) One who is very interested in the mechanics of vehicles, particularly luxury or sports cars. Similar to a gear head
The only thing more boring than a piston head is a gear head
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1) Name of an African American male genitalia area when the pubic hair is long enough to make into dreads.
Bro, you need to shave that carpet 'round your dread piston.
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A sex act involving three men. The first man stands in front while he is penetrated by the second man, and the second man is penetrated by the third man. The second man thrusts between the other two men, thus creating a piston motion.
Bill: Last night, I went home with these two hot guys, and I got between them and we did the rusty piston.
Jeff: Awesome! Wish I could have been there.
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The worst team in the NBA, most overrated team. Everybody thinks they are so good because they have Ben Wallace, etc. They got thrashed by the San Antonio Spurs in the 2005 Finals and they deserved it.
DETROIT PISTONS SUCK!!!!!!!!!!!!!!!! OVERRATED!!! OVERRATED!!!! OVERRATED!!!!!!
,,|,, *_* ,,|,, (flipping off the detroit pistons)
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Asshole - butthole - anus - the place where fleshy pistons can be pushed into!
She took all 10" in the piston portico
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My girlfriend was feeling horny so I stuck her with my jiz piston.
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