UnComfortable Penis Position. Often used by heterosexual males to explain the reasoning for grabbing or adjusting your cock and balls.
by GymRat520 March 25, 2009
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B: OMGWTF is wrong with you? hes such a UCP with his jokes.
B: OMGWTF is wrong with you? hes such a UCP with his jokes.
by PACMAN ATTACK May 14, 2009
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