1 definition by SirBoomALot

FBM

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.

Jimmy is the captain of the FBM USS Louisiana. He could blow up the whole world if he wanted to.

by SirBoomALot September 11, 2011