Fatbitchwhore Share definition Flag a comeback slang after someone utters a sarcastic remark insulting the other person; often used by obease whales. Person makes a mistake "Smooth move." "Fatbitchwhore!" Fatbitchwhore by obeasewhales13 September 6, 2011 0 0 Get merch Get the Fatbitchwhore mug. Buy Now — $32.95 See more merch