An acronym mean Face Book Material. When one believes that a picture taken is ether worthy of being your default picture or the cover picture of a Photo Album.
Wow Jim that picture I took of you last night passed out on Nicks crotch is hilarious; its FBM to say the least.
by Jaylikesguitar January 17, 2009

Fleet Ballistic Missile Submarine. An acronym used to describe a submarine launched ballistic nuclear missile carrying submarine or "boomer". The United States currently operates these in the form of the Ohio Class.
by SirBoomALot September 12, 2011

Fuck Brick Memorial. What everyone from the good side of Brick, NJ calls the trash from the other side of Brick.
Can you believe that the Brick Memorial's football team had lost five times in a row?
Yeah I know right? FBM.
Yeah I know right? FBM.
by Brick Township October 8, 2017

by Headcrab December 31, 2007
