WSTF Share definition Flag This word means We Should Totally Fuck To a random girl: Hey WSTF? To your gay friend: WSTF? (We Shouldn't Totally Fuck.) WSTF by Becky has a gaping twat waffle March 29, 2009 0 0 Get merch Get the WSTF mug. Buy Now — $32.95 See more merch