Definitions by YaaIST

Yaa 

An expression of utter and consummate excitement.
It is more powerful than other generic expressions, such as "hooray" or "yay".

Alex: We just finished all of our tests!
Brandon: YAAAAAAAAAAAAAAAA
Alex (joins in): YAAAAAAAAAAAAAA
Brandon: Can't wait to next period!
Alex: What's that?
Brandon: IST! IST! IST!
Alex: YAAAAAAAAAAAAAAAAAAA!

Yaa by YaaIST March 30, 2010