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1-2 weeks after shaving your pubes/base of dick. The hairs remind you of the pricks on a pineapple, resulting in a pineapple penis.
I pulled down my boyfriends pants to see that he had a serious case of pineapple penis so i gave him a razor and told him to shave it.
by TheKingofHerPleasure June 04, 2011
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