Definitions by Mace and Kans

Fat Lip  

Fat lip or Fat lipping happens when a couple is interupted while making out, either by a room mate, a parent, etc, and one person gets hit in the mouth with an elbow.

Dude, I was totally making out with her, and then my Bro walked in and she totally gave me a Fat Lip


She totally Fat Lipped me.

Fat Lip by Mace and Kans July 2, 2008