1 definition by Loki 1337

The bunching up of one's trousers around one's pelvic area, usually involving the zipper giving the illusion that one has an erection.

Note: Can apply to women too. It is usually more humourous when it does.
Cindy, you totally have a pant penis!
Gimme a sec Brian, I gotta fix my pant penis.
by Loki 1337 October 16, 2007
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