As opposed to "butt naked," it's when someone is SO dressed. Dressed, up to their BUTT.
Mariya: Jacob and I touched tonight ... and he was BUTT, BUTT, BUTT DRESSED.
by prollygon April 10, 2011
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A dress that is cut so far down the back that it form cleaves where a woman's butt starts and makes it look like tit cleavage.
by Deep blue 2012 November 14, 2009
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