a term that means totally awesome. like unbelievably, completely, stupendously, amazing!! when something is so cool, cool just doesn't cut it. it can also include a fist pound or high-five with it.
Bob: I just won 1,000,000,000 dollars in the lottery!!!
John: BOOMSHAKALAKA BOOYAKASHA!!!!!!

Perry: I just totally nailed that that smokin, blonde chick.
Turk: Boomshakalaka Booyakasha!! YA NO WAT IM SAYIN!?!?!
by John & Ben January 31, 2009
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Battle cry used by the TMNT (2012) used for excitement as well used mostly by michelangelo
let’s fight BOOYAKASHAAAA”
by KrashOutJosh April 16, 2022
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