Top Definition
The sexual act when a partner stimulates the "osgood slaughter bone" on one's kneecap by rapidly, but gently rubbing back and forth, leading to climax.
I can't wait to osgood slaughter the hell out of Brett tonight, he's gonna need that knee-brace after all.
by Shawn Haak October 20, 2013
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.