Guy 1: hey, i had sexual intercourse with your mother
Guy 2: you are a MFBACS
Guy 1: a what?
Guy 2: you know
Guy 2: you are a MFBACS
Guy 1: a what?
Guy 2: you know
by Sancho89 December 7, 2007
 Get the MFBACSmug.
Get the MFBACSmug. Mother Fucking Bitch Ass Cunt
A person that has done wrong and is a complete asshole who doesn't care about anyone but themselves.
A person that has done wrong and is a complete asshole who doesn't care about anyone but themselves.
by Sacojosa April 8, 2009
 Get the MFBACmug.
Get the MFBACmug.