Definition & Meaning of "shitpouch"in English

What is the origin of the term "shitpouch" and how is it used?

"Shitpouch" is an informal slang insult that likely emerged in English in the late 20th or early 21st century, combining "shit" (denoting filth or worthlessness) with "pouch" (a container), creating a metaphorical label for someone considered disgusting, repulsive, or despicable. The imagery suggests a person who carries or embodies unpleasantness. It is used in informal speech, online posts, or mocking contexts to express strong contempt or derision. The term is clearly derogatory and offensive, rarely neutral, and usually intended to shock or insult.