Admiration and sexual arousal that a woman, who is blessed with succulent buttocks, causes when she is proudly and ostentatiously walking or dancing in a provocative outfit, such as tight pants, short skirt/shorts, with an obvious intent to attract attention and show off her rear goods.
Noun: When you sit in a diner booth and try to sneak a fart. The thump of the violently escaping flatulence makes a thud that can be felt by the person sitting next to you.
When a woman with shape moves her hiney in such a way that causes male arrousal.
This term was brought into common use with the Dr. Khan & DJ Bouti music video titled "bootyQuake".