n. A sexual maneuver between a man and a woman in which the man retracts his testicles up into his lower stomach and then shoots out one testicle at a time, alternating testicle 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 16, 2008
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 16, 2008

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