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This is where you press with one or two fingers between the asshole and the ball sack to clear out the urine stuck in the "gooch trap".
AJ: Dude, I get piss that drips out after I shake and dance.
Kory: You've gotta purge the gooch.
AJ: That's right! No matter how much you shake and dance the last few drops will hit your pants unless you purge the gooch!
Kory: Exactly.
by packerfan3001 September 02, 2010
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