Top Definition
When you're sitting on a stool at a crowded bar and people pass by you and your knee ends up either in their crotch or ass.
1: Yo I just knee fucked that chick with the big ass. She was wearing a fucking thong too.
2: Aw shit man, I just keep knee fucking guys...in the scrote.
by Fo Sheezy My Yeezy Breezy August 13, 2011

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.

×