To show complete and utter disapproval for something suggested or offered. Emphasis is shown on describing the ass intended for receiving the kiss. Usually used by people of color or "black men".
Guy: "Hey Kareem, can I have your Xbox 360 for free?"
Kareem: "...kiss my big black mocha ass"
9๐ 19๐
Something said When the captain of the darts team, who happens to be black, is so upset by some harmless banter that heโs initiated storms off
You all can go and kiss my black ass