Big Fucking Monster. Used to describe, in gamer terms, a creature that is unreasonably large or powerful.
by wufalder November 09, 2008
by bfm July 31, 2003
by sweeney May 08, 2003
by MC May 20, 2004
by avenger01 December 08, 2010
by S.S. Booty Bitch March 17, 2010