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1 definition by Weak Saucer

 
1.
Where you extend the foreskin of your nutsack to form a "trampoline" and you bounce your penis off it creating the effect of a trampoline.
Guy 1: Hey dude, check this out
Guy 2: Ohhhh man... wtf
Guy 3: THE TRAMPOLINE!
by Weak Saucer November 07, 2007