Top Definition
1. the bruises on your knees from giving head.

2. the scraps and bruises on your knees from grinding in the "on top" position
girl: OW! look at my knees! they're bruised as hell.

boy: but weren't those sex knees so worth it?
by indubiately April 19, 2009
5 Words related to sex knees

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.