FHTDMF Share definition Flag Hawaiian Pidgin origin. Abbreviation for Fuck Harry to da max foeva. Wishing one eternal suffering. Brah, you see Harry? He stay on di SUP (Stand up paddle). FHTDMF. FHTDMF by G is Wise March 10, 2020 0 0 Get merch Get the FHTDMF mug. Buy Now — $32.95 See more merch