Definition & Meaning of "fart knocker"in English

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

"Fart knocker" is British slang that appeared in the mid-20th century, formed by combining "fart," a crude term for flatulence, with "knocker," a vulgar intensifier. The image suggests someone clumsily or obnoxiously engaged in a silly act. It came to describe a person who behaves in a silly, annoying, or immature way. The term is used in informal speech, often humorously or teasingly. It is vulgar and derogatory but generally playful rather than seriously insulting.