Booyakasha 

Battle cry used by the TMNT (2012) used for excitement as well used mostly by michelangelo

“let’s fight BOOYAKASHAAAA”

Booyakasha by KrashOutJosh April 16, 2022

booyacashaw

An exclaim used after achieving great success in a challenging attempt. Almost always followed by an exclamation mark.

"Dude, I finally pulled off The Houdini last night, booyacashaw!"

booyacashaw by Kleostic April 29, 2016