Definição e Significado de "[kiss] {one's} [ass] goodbye"

What is the origin of the idiom "kiss one's ass goodbye" and when to use it?

The idiom "kiss one's ass goodbye" is often used in a humorous or sarcastic context to state that one believes one is about to get into huge trouble or just die. It has no well-documented origin and is considered a modern and informal expression. The phrase humorously implies that someone is leaving a situation, sometimes with a dramatic or final gesture. It is not considered a polite or formal phrase and is often used for comedic or ironic effect.