by Raven January 1, 2003

Caroline- "I snuck up behind some hoe that i hated, and gave her a fat lip. She can't have sex for a week."
by jaqueisha April 27, 2009

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.
She totally Fat Lipped me.
by Mace and Kans July 2, 2008

by Goose September 29, 2004

When a man or a woman, who has recently had a close encouter with posions ivy, performs cunnilingus on a woman. A sudden swelling in that region is known as the FAT LIP.
fat lip
This also works with heavy petting. Her labia lips will swell. A la, the fat lip.
fat lip
This also works with heavy petting. Her labia lips will swell. A la, the fat lip.
by Kate1982 August 22, 2006

by TobyMcNackel January 15, 2013

by I don't want to tell you May 13, 2005
