Definition & Meaning of "quimby"in English

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

Quimby is a slang term that appeared in mid-20th-century English to describe a person regarded as bumbling, foolish, or inept. The origin is likely from surname-based insults, a common pattern in English slang, turning a neutral or familiar-sounding name into a label for incompetence or silliness. Historically, it was derogatory, used to mock or belittle someone for perceived clumsiness or lack of skill. Today it remains informal and mildly insulting, generally limited to casual, humorous, or critical contexts rather than polite or formal conversation.