Severe hemorroidal swelling around the perimeter of anus. The multitude of bumps resembles the texture of popped popcorn.
"What do you see back there Dr., is it bad?"

"Good lord Mr. Smith, you have so many hemorroids back here I feel like I just stuck my hand into a bag of butt popcorn."
by Jimboslice1976 October 19, 2013
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A lumpy butt, prominently observed through the spandex pants worn by fast food employees.
like you gots to have a popcorn butt to get a job at macdonalds
by mcart December 5, 2007
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The kind of buttocks that stick out and are very noticeable. Usually associated with women.
Hey man! Did you see the popcorn butt on that girl? Damn! That girl has a nice package for sure.
by Ndime October 12, 2007
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