1 definition by t1na

an actual deficiancy in which a man has an abnormally small penis. Also called microphallus.
Coach: Aight boys, hit the showers.
Billy: ...Do we have to?
Coach: Of course you do. What are you so ashamed of?
Billy: ...
Coach: HAHA! GUYS CHECK THIS OUT! BILLY'S GOT A MICROPENIS! IT'S LIKE AN INCH AND A HALF LONG! NO JOKE!!!
by t1na November 5, 2005
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