look up any word, like ratchet:
 
1.
enigmatic, puzzling.
The Mona Lisa has a kneebone smile.
by Towerful February 01, 2010
 
2.
When someone is sucking you balls while you wank.
Man i got a mean kneebone last nite i kept punching her in the face by accident and then blew all in her eyes
by Dick Frizzle February 25, 2008
 
3.
When someone is sucking you balls while you wank.
Man i got a mean kneebone last nite i kept punching her in the face by accident and then blew all in her eyes
by Dick Frizzle February 26, 2008