A booty shaped like an apple. Bubble like. The texture of the booty is soft with a bounce factor. A phat booty needs no physical intervention to enhance it's appearance or round shape.
Phat booty's became popular in the late 1980's , early 1990's parallel with the release of songs like "Doin The Butt", "
Rump Shaker" etc, which had a huge impact on what the urban male audience viewed as sexy. Soon after women clothing started to convey the same idea with clothing like tight jeans, sun dresses, and more. Although late in the game,
Apple Bottoms is a great example of how clothing styles changed to enhance the round bubble-like shape of the female booty.