An exclamation used to signify how awesome one's self is. Commonly used after answering a question or responding to someone's shit-talk.
Alex: "Hey dickhead! What's 12+5?"
Rob: "27. Booyow!"
Alex: "You're an idiot..."
Marcelo: "...then i told that punk his mum was a ho. Booyow!"
Fabrice: "Booyow!"
Marcelo: "Booooooyow!"
Rob: "27. Booyow!"
Alex: "You're an idiot..."
Marcelo: "...then i told that punk his mum was a ho. Booyow!"
Fabrice: "Booyow!"
Marcelo: "Booooooyow!"
by zwa August 10, 2007