Définition et Signification de "treat somebody like (a piece of) shit"

What is the origin of the idiom "treat someone like shit" and when to use it?

The idiom "treat someone like shit" likely comes from the idea of treating someone as worthless or as badly as one would treat feces, which are often seen as dirty and unpleasant. This phrase became common in informal speech, especially in more casual or strong language, to express frustration or anger over how someone is being treated. It should be used when describing situations where someone is being treated with disrespect, cruelty, or neglect. However, it is considered vulgar and inappropriate in formal or polite settings. It is best used in conversations with close friends or in situations where strong language is accepted.