An individual who justifies his/her actions by quoting Bible passages. They often reject scientific evidence, pass judgement on others, and have a know-it-all attitude. Most have lost the ability to think critically.
As our Biology teacher showed us pictures of Lucy, a fairly well-preserved Australeopithicus fossil and tried to explain how she had characteristics of both extinct primates and some current primates such as apes, chimpanzees, and humans, some Bible thumper in the back of the room yelled out "We din't come from no monkeys!"
by toolguru October 25, 2007
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A mega-right wing Christian wacko. Belives their life must be based on the Bible. The same goes for our goverment, it will be based on the Bible. Usually a homophobic, pro-life, redneck idiot.

See George W. Bush, John Ashcroft, Jerry Falwell, Pat Robertson, right-wing nutjob
Bible Thumper: WE MUST BAN GAY....... NO WE MUST KILL GAYS!!! OUTLAW ABORTION! WE WILL NOT COMMIT SIN!!! IF YOU DON'T LISTEN YOU'LL BURN IN HELL!!! AND IF YOUR A DEMOCRAT YOU STILL WILL!

Followers: Huzzah!
by AutisticPsycho November 15, 2004
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A person who generally adheres strictly to the Bible, Scripture, or New Testament. Usually found in Southern states, North Carolina, Florida, Texas, Louisiana, etc., etc.... Bible-Thumpers usually allow themselves to be seen as "God-fearing" Christians, but once they're behind closed doors will talk trash about everyone in their neighborhood. They usually try to shove their beliefs down everyones' throats and hate people who are different (Gays, Jews, Wiccans, etc., etc...).

STAY CLEAR OF THEM. POINT BLANK.
"Hey, I'm going over to Sally's today."
"Oh? I hear her parents are Bible-Thumpers."
"Really? That explains a lot..."
"Watch out. The minute they start preaching about how you're always committing a sin, and that if you don't get saved soon you'll burn in hell, get the fuck out of there."
"Will do, will do."
by IMissTheSilence November 3, 2009
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An extremely fanatical religous zealot,
often characterized by their constant refences to the bible and their intent on converting everyone in a 100 mile radius.
They are essentially the same as Islamic fundamentalists, with the same religous zeal and fantacism.
"Hands that help are far better than lips that pray."
1. Religous Fundamentalist are contributing to the partisan bickerings that are hurting America.
by Michael C. L. June 28, 2005
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Some ass clown who tries to convert people to his version of Christianity, using a book he's too ignorant and incompetent to fully comprehend. Fully ignorant of the historical, cultural and literary context of the Bible. Every Bible thumper gives the South a bad name. We're not all like that down here, promise y'all that.
The Bible thumper told me I was going to Hell, so I gave him my rosary and told him to pray for me.
by zomgwhat August 6, 2008
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That bible thumper on the corner wouldnt shut up about how god is the only certainty in this world so i reported him to the cops for disturbing the peace
by buttmusket July 23, 2009
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