Definition & Meaning of "Bible beater"in English

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

"Bible beater" is an English slang term that emerged in the mid-20th century, formed from "Bible" and "beater," suggesting forcefulness or aggression in promoting Christian beliefs. It describes a fervent or overzealous Christian who aggressively preaches, pushes their faith, or emphasizes scripture in a confrontational way. The term is used in informal speech, media, and social commentary, particularly in English-speaking countries, and is mildly to moderately derogatory, criticizing zeal or pushiness rather than being vulgar.