Szfu Share definition Flag Another way to write Stfu. Szfu Means Shut Ze Fuck Up. Larry: OMG Jarry:What! Larry:OH MAH GAWD! Jaryy: WHAATT Me: SZFU! Szfu by ThatOtherPerson January 3, 2009 0 0 Get merch Get the Szfu mug. Buy Now — $32.95 See more merch