A butt of a abnormally large size on a woman that is very attractive, large butts on obese women do not qualify as a J Lo Booty.
Dam, Alexis has one J Lo Booty, her ass is huge!
by AllStar65 November 1, 2005
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(Noun) A person, usually female, with and exremly large butt.

(noun A person with a large good looking butt.
That girl has a J Lo booty.
by X-L February 23, 2005
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