g fab Share definition Flag having the qualities of something which is gangster, pimp, etc... Ghetto Fabulous. danielle: hahahhahahahah me: in florida everyone was all g-fab too danielle: i wanna be ghetto fab! g fab by KillerByte March 12, 2005 0 0 Get merch Get the g fab mug. Buy Now — $32.95 See more merch