AYTF Share definition Flag Aye, the fuck? The new "wtf." Used often by pirates, and pirate wannabees. AYTF are you wearing that ninja shirt? AYTF?!? WHU WAS CAMPING THE SPAWN P01NT?!? ASS!!! 'AYTF?' WTF is that? AYTF by Zackaroo September 22, 2008 0 0 Get merch Get the AYTF mug. Buy Now — $32.95 See more merch