Definitions by urbancb59

C.M.F.B. 

An ex-girlfriend: Crazy Mother Fucking Bitch

Bro to Bro: "My ex is a C.M.F.B.!"

C.M.F.B. by urbancb59 June 21, 2010

C.M.F.A.

Crazy Mother Fucking Asshole

girl to girl: "My ex-boyfriend is a C.M.F.A.!"

C.M.F.A. by urbancb59 June 21, 2010