F&faf Share definition Flag Fat & fly as fuck. The basic definition for this is expressing your love for your body, personality, etc. Gurl: dude look at her! Shes so ugly! Dude: nah. Shes just f&faf! F&faf by idgaf about ur life November 18, 2017 0 0 Get merch Get the F&faf mug. Buy Now — $32.95 See more merch