gl hf gf Share definition Flag GL = Good Luck HF = Have Fun GF = Go FragAn abbreviation for internet slang when saying goodbye. <Gamer 1> Nice game, ttyl. <Gamer 2> Same, gl hf gf. <Gamer 1> U 2! gl hf gf by Lallarn June 9, 2011 0 0 Get merch Get the gl hf gf mug. Buy Now — $32.95 See more merch
