Definitions by Mr. Tom Cat Jones

F.I.S.H. 

An acronym meaning Fat Irish Skanky Ho.

Guy 1: Yo, that lady's such a F.I.S.H.
Guy 2: A what?
Guy 1: A fat irish skanky ho. She was all over my English teacher.
Guy 2: ROFL.

F.I.S.H. by Mr. Tom Cat Jones February 19, 2012