(noun) 1. Bulbous and red anus resulting from extreme and deep rectal penetration. See also; blinker sphincter.
My girl and I hit it so hard last weekend, she still has rudy booty.
by Pinche Hitter September 20, 2017
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A girl with no butt
Opposite of Big Booty Judy
Person 1: Shes So Cute!

Person 2: She Gotta Donk?
Person 1: Nah I wish but she a Flat Booty Rudy
by The Trillest Nigga Breathing December 22, 2012
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