Top Definition
Penis. Literally means a harpoon used to stab vaginas or "poon-tang".
"Man, my poon harpoon is so hard and ready... I'm about to spunk!"
by Liam Wallbanger May 06, 2006
Someone or something that is extremely adapt at obtaining poon.
David Xerri wearing a leather jacket is a total Poon Harpoon!
by Transane May 02, 2010
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