1. Exclamation of outstanding and awesome success
2. Enthusiastic confirmation or support of something awesome
"The winner is...Captain Falcon!"
Captain Falcon: YESZ!
or
Hey wanna go play paintball?
YESZ!
50π 1π
the cool way of saying βyesβ
really cool kid: βarenβt the dolan twins amazing?!β
another cool kid: βyesz.β