Definition & Meaning of "Koran thumper"in English

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

"Koran thumper" is an English slang term modeled on phrases like "Bible thumper," emerging in the late 20th century. It combines "Koran" (the Islamic holy book) with "thumper," suggesting forceful or aggressive promotion of religious beliefs. The term describes a zealous or overzealous Islamic fundamentalist who aggressively preaches or seeks to convert others. It is used in informal speech, media, and online commentary, often critically or disparagingly. The term is mildly to moderately derogatory, highlighting pushiness and zeal rather than being explicitly vulgar.