Also found in: Idioms, Wikipedia.
Related to Bible thumper: Bible bashers
Used as a disparaging term for a Christian, especially a fundamentalist or evangelical Christian, considered to be overly zealous in haranguing or censuring others.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.