Top Definition
when your penis comes all the way out while having hard sex and misses on the way back in.
George: "Dude, I got a willy bang last night when my dick shifted while fuckin Jullie wicked hard. Seriuosly, nearly broke my cock."
by Keep calm December 07, 2011

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.