A generic term for a girl with a large curvacious ass. (can be used as a positive or negative)
"Check out judy booty over there"
by Mr. Moss October 20, 2006
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A term used to describe an epically flat backside. We're talking flat as a pancake back there, separated by a thin crack. Gluteus minimum. A rear that looks like how Columbus Day the world. Paper thin. No separation between back and "buns." Judy booty typically plagues the Caucasian variety.
My mom and infant son both have a Judy booty. It must run in the family.
by SmashleyL August 15, 2017
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A Female with a large behind. Her name doesn't even have to be Judy. If it twirks, then it works.
We gon go down and see Big Booty Judy today.
by LaTron June 13, 2007
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A big booty judy is a curvy sexy woman. She has be curvy the cuveyness makes it big booty and she must have a very nice ass.
"Oh shit have u seen Dani shes a proper big booty judy. I'd Tap that"
by RaffDawg January 22, 2009
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When tht gurl got an ass so fine yo just wanna grab it allll nightttt longggggg

Also greatly know as BBJ
Guy 1: How'd yo fit all tht, in dem jeans?!

Guy 2: BBJ BBJ BBJ BBJ BBJ!!!!!!

Guy 3: Oh damn gurl, yo like a Big Booty Judy!
by Beans&Toast June 20, 2014
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