Top Definition
UnComfortable Penis Position. Often used by heterosexual males to explain the reasoning for grabbing or adjusting your cock and balls.
"dude, what the fuck are doing?"

"UCPP bro."
by GymRat520 March 25, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.