1. A sententious, bigoted, hypocritical half-wit who imposes his belief in the Bible on others.
2. One who arrogantly misquotes the Bible.
3. Stupid missionary.
4. One who preaches from the Bible, particularly the book of Revelation, threatening those who do not listen shall not join Him after the Rapture.
The biblethumptard, prays for his team to win... REALLY!
In times of war, the biblethumptard thinks Jesus is on his side.