Definition & Meaning of "pillock"in English

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

"Pillock" is a British English slang term that appeared in the 20th century, likely around the early to mid-1900s. It originally referred to the scrotum in crude slang, later evolving into a figurative insult for a stupid or foolish person. The term is used in informal, often teasing or critical contexts to mock someone's intelligence or behavior. It is mildly vulgar and derogatory, but less offensive than stronger profanities, and is generally socially acceptable in casual conversation.