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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.'
by King Dongalongnquiteskinny August 29, 2008
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