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when a person's butt is so large (phat), or is shaking so much (while walking, dancing, etc.) that it looks like their butt is talking
"Damn, that shawty can dance, look at her butt talk!"

"I love how that girl with the dunky booty can make her butt talk."
by Nigerian HOTness May 07, 2006
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The action of separating and closing ones butt cheeks while talking. Giving the allusion that the butt is speaking.
Dude! Last night I made Barbara's butt talk!
by TheMagicTy February 28, 2016
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