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The almost non-existent region of a caucasion male or female located beneath the after portion of his or her mid section.
Johnny: "Did you see the butt on that girl at the tractor pull on Firday?"

Dale: "Sure didn't!"

Johnny: "What about you, Ben?"

Ben: "Nope."

Stephanie: "That's because she had a gluteus whitius. It's nothin' like my big ol' bahonkydunk!"
by sweeperman01 December 02, 2009
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