Fantlers Share definition Flag (n)a silvery add - on to a nigga's chain, that women find particularly attractive. "Damn, nigga, you better take off them fantlers befo you get in da pool, or else they gonna turn green!" Fantlers by J - Shizz January 26, 2006 0 0 Get merch Get the Fantlers mug. Buy Now — $32.95 See more merch