Pirate: You're dumb.
Ninja: Your MOM is dumb.
Pirate: Your FACE is dumb.
Ninja: Your MOM'S FACE is dumb.
Pirate: Your KNEE is dumb!
Ninja: ...! *cries like a featherweight crybaby*
By Mallissa
On Your Knees
as in to get on one's knees in order for one to suck domeone else's dick.
1) "I'm joining the Basketball team" "Dude, Your Knees Are Red, you won't make it" 2)"Hey whose that pretty girl over there?" "Who? Kim? Her Knees Are Red from so many guys she's given head to."