Definition & Meaning of "poopy pants"in English

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

"Poopy pants" is an informal and mildly vulgar slang insult that likely emerged in English in the late 20th century, combining "poopy" (childish term for feces) with "pants" to describe someone immature, silly, or cowardly. The phrase uses playful, exaggerated imagery to mock childishness, fear, or incompetence. It is commonly used in informal speech, joking contexts, or teasing among friends, especially toward children or in lighthearted insults. The term is mildly derogatory, humorous, and rarely deeply offensive, emphasizing immaturity rather than serious moral failing.