1. Obviously, male masturbation
2. Spending way too much time in chat rooms trading insults with people you don't even know.
3. Beating up the local neighborhood geek.
Brian: Watcha doin Friday night?
Kevin: I'm pounding my monkey, what else?
Brian: Well, lets find Dave and do some REAL monkey pounding!
Kevin: Kule!
by PeeBee October 13, 2005
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