What is Yaok?
1.
A fast and sarcastic response to something that is stupid. Also used when an idiot is trying to be cool and brags about whatever it is he or she is doing.
Fag: "Tuesdays coming, I humped Suzy's leg today"
Douche: "yaok"
See 
2.
An original smashing together of words, used in a context of disbelieve and in the same vein as "o rly?" quite clever.
Someone just hit you with a BS headshot--- YAOK hacks!!!
See 
Random Words:
1. 
Jon Stewart spelled wrong.
The Daily Show: With Jon Stewart
2. 
1) The african-american green lantern.
2) An annoying misspelling of ..