Definition & Meaning of "buttwad"in English

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

"Buttwad" is an English slang insult that emerged in the late 20th century as a crude but relatively mild way to insult someone. It combines "butt," often used in childish or vulgar insults, with "wad," suggesting a small, useless lump, creating a metaphor for someone irritating, contemptible, or of little worth. The term is used in informal speech, humor, and casual insults, often with a mocking or annoyed tone rather than outright hostility. It is derogatory but generally low-level, sometimes closer to playground insult than serious abuse.