I looked up "booyah" (alt = booya) and the definition was pretty crude. For once I will observe decorum.
>Not like: oorah? (which actually in all my years was pronounced more like hooyah spouting a strong gust of air from the lungs/gut)
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http://en.wikipedia.org/wiki/Oorah>
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>>>Please explain "booyah." I keep hearing this word and have no idea where it comes from.
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>>I'm not sure exactly what it means. We used to say it a lot in high school, and for some reason I still say it every now and then. It's more of a celebratory work, I guess, like "hey, look at me, I got a great deal on this charcoal grill..."