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
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
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
Having a big booty like judge judy or trudy from fairlyoddparents
mr.crooker is a big booty judy
by thatmlpfan April 3, 2020