Top Definition
Male genitalia of rather small size, being three inches or shorter, resembling that of the eternally pre-pubescent Justin Bieber, and the large majority of his male fans.
"You know what would suck?"
"What?"
"Finding out a dude has a Bieber penis."
by Tubaballoon May 07, 2010

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×