1 definition by Benit
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"
Ben: "oh god, it's a completely offensive gross"
by Benit September 11, 2011