When one sleeps under the covers and farts, trapping oneself in the aroma of said fart
Josh: Bro, I shouldn't have had that halal last night because while I was sleeping, I booty boxed myself

Kevin: Ew, you're nasty bro
by Yung Trap Lord Jr. December 16, 2017
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Jan has a box booty, it looks nice and big from the back but from the side it's flat!
by Tinitti456 January 31, 2016
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