GTHF Share definition Flag An acronym meaning "Go To Hell Faggot." Started one afternoon by Brian, Hank, and Matt while eating lunch at Friday's. "Hey Hank can you pass the ketchup?" "No Matt GTHF" GTHF by Matt Ev March 29, 2007 0 0 Get merch Get the GTHF mug. Buy Now — $32.95 See more merch