The Booty of a girl who has a smaller waist than her hips thus making the booty look bigger, rounder, and fuller..."sniff sniff" makes you want to cry just thinking about it.
A lady who has a small waist, or smaller waist but has wide or wider hips thus making the booty look bigger, rounder, and fuller which also curve out similar to the curves of an onion Not know at all we call it boom-booms.especialy if it shakes