(n.) A large and attractive set of female buttocks, characterized by much wobbling and jiggling, particularly when observed walking away from the viewer.
Person 1: "Coco Austin, wife of Ice-T, has a superb jello ass!"

Person 2: "Of course she does! What planet have you been living on?"
by Duck-Molester November 26, 2012
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A girls ass that's so awesome, you pack it with peach jello and suck it out at body temperature.
Man, look at those jeans, she's got a peach jello ass!
by georgyboy April 8, 2009
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