GTBH Share definition Flag GTBH is a LURUA of "Going To Be Huge". Guy 1: "Can't wait for New Year!" Guy 2: "I know right? It's GTBH" GTBH by HerrEmil & Bird March 20, 2010 0 0 Get merch Get the GTBH mug. Buy Now — $32.95 See more merch
