Definitions by JamesPorter

Knobby Mug 

Someone who is more than just a mug.

James is such a knobby mug

Knobby Mug by JamesPorter August 26, 2012

R.B. 

Reason Boner

Derivitve: NRB; No Reason Boner

"Oh, dude! That chick's so hot. Kevin has such an R.B. right now!"

R.B. by jamesporter April 14, 2006