Boooyaaa!
An exclamation of excitment or acknowledgment used amongst hoodies and pikeys who have very limited vocabulary.
Gezza: 'Aaaa mate, he was like right up in your face! I'd be like Boooyaaa!'
Gareth: 'I'm sorry young man, I didn't understand a word you just said.'
Gareth: 'I'm sorry young man, I didn't understand a word you just said.'