Apple Bottom jeans are an actual name brand of jeans. They were created by the rapper Nelly.
www.applebottoms.com.
Apple Bottoms is a clothing line that caters to trendsetting women of all shapes and sizes. Celebrating and liberating the natural curves of a woman's body is Apple Bottoms' supreme mission. This unique brand is the mastermind of multi-platinum superstar Nelly. He describes the intent behind the design by saying, "A woman should not try to fit the clothes; the clothes should fit the woman!" His creative team of designers crafted the perfect fit for different silhouettes that accentuate the curves of all women. Nelly is personally involved in the process to ensure that the designs enhance the beauty of the woman who wears them.

A girl with a nice, big, round, juicy booty.
"Like Me"

An ass that has nice, round, plump cheeks. When apple bottom girls wear tight jeans, their ass cheeks bunch up in the bottom of their pants in a way that resembles the bottom of an apple.

nicely shaped booty

a big behind apple shaped bigg booty and real big nice but big not sloppy

Apple Bottom - a relatively large, round shapely bottom.

Slang description of disproportionately pronounced/overhanging female posterior. Exeptionally round set of large buttocks on a woman.

usally said to, or about a female, who has a very thin waist , and a very nice, large buttocks.