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skin tight spandex pants worn by girls to give their behind a little push up. commonly accompanied with ugg boots and a north face jacket. butts are commonly mistaken to be voluptuous, like a push up bra might do.
Damnn, that girls gotta nice butt!" "Nah man, she's just got her butt bra on today.
by tkell2112 December 15, 2010
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