Definitions by Benit

FM 

FM - abbreviation of "fat mess" a term used to describe someone who is not only carrying a "few extra pounds" but are also rough as a badger arse hole and utterly offensive to look at.

Carly: "ugh, look at that complete fm down the cake isle"

Ben: "oh god, it's a completely offensive gross"

FM by Benit September 11, 2011