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A butt so huge it looks like it could knock out a man, but only if that man is also very ugly and smells like old socks.
My cousin's butt is a J Lo Booty, and it could probably beat up a donkey.
I saw a J Lo Booty in the mall and it made me forget my lunch.
My mom says my butt is a J Lo Booty, but I think she's just trying to get me to stop eating pizza.