AYTF 

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

AYTFS 

Are You That Fucking Stupid

That comment was absurd AYTFS.

AYTFS by Ignorance Intolerant February 10, 2012