BLBG Share definition Flag Booty Lickin Booty Gangsta. One who is a ghetto gangsta who licks one's booty as a business. Usually requires flossing after the job is done. Benny, are you ready for a BLBG? Cuz dats what I iz. ;) BLBG by Get Grober May 10, 2009 0 0 Get merch Get the BLBG mug. Buy Now — $32.95 See more merch