A derivitive of the word poindexter, a poondexter is a geeky male with no friends, but gets a lot of pussy because he will literally fuck anyone, even Sarah Jessica Parker.
Jared: Dude, I totally fucked my girlfriend this weekend. It was AWESOME!
someone who grinds poon excessively to the point of clinically being considered a nymphomaniac. all pooners portray a certain "knack" for the seduction and grinding of pretty much any poon that comes their way. because of this most pooners are carriers of many different sexually transmitted diseases.
man that pooner really knows how to get his grind on!