Top Definition
1. The act of hammering a Poon; (V)

2. A long erected object used to hammer Poons; (N)
Where were you last night? I was Poon hammering.

Man, thats a nice poon hammer you have there.
by Jacob Bowman October 09, 2008
1 more definition
Noun: A man's genitalia that resembles that off a hammer,that is employed by it's user as a weapon to assault vaginas (in a consenting manner).

1. The God and intellectual leader of scout.com/USC - public message board.
When he brought out the poonhammer Stacy knew she was in for a vaginal beating.

Poonhammer just owned Keen and Lono.
by JA Lau January 12, 2007

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