Definitions by Rianna D. A. Corby

UAMF 

Ugly Ass Mother Fucker. This word can be used to anyone you have anger for or think is really ugly.

My ex-boyfriend is a total UAMF!

Your cousin is a UAMF.

Or you can bluntly say it "UAMF"

UAMF by Rianna D. A. Corby April 19, 2007