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A greeting used in place of more boring words such as "hello" or "hi".

It is also something said to make awkward moments lolful.

This word was first used by T-Bone. Although many others have attempted to disprove this and tried to destroy this claim (namely Teegz).
"Boo yakacha. How be you? Lovely weather? Damn straight."
by The Artful Dodger. March 06, 2008
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