The condition which results when one is anally raped so hard and so often that their asshole expands to the size of a basket.
After Chris Hansen catches pedophiles on "Dateline NBC," they're sent to jail to receive their very own basket butts.

Ever since Matthew got a basket butt from Marco for Christmas, he's been having a lot of trouble holding in his own shit.
by utsamagoots September 9, 2010
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