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1.
The act of tucking one's shaft and balls down between their legs, then mooning someone.
That fucking faggot Jason, gave us a Monkey Pussy.
by King January 22, 2004
 
2.
The act of tucking the shaft and ball between the legs and mooning plus pulling the cheeks apart.
Dude if J's member wasn't so massive his monkey pussy would not be nearly as funny
by jason January 26, 2004