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Pronounced (buh-you, very fast) Used by a third party when somone is burned (zinged). Usually loud to signify deliberateness of said burn.

Joey, watching 10 year old video of alison, "wow! how much did you weigh back then?"

Alison "150. Remember, the camera adds ten pounds."

Joey "ok, how many cameras are ON you?"

Mark "Byew!"
by alistair cobrafield August 14, 2008