a person who's overly religious in their thinking, and takes the christian beliefs system waaay to far and literally. may or may not end up knocking atr your door or on the streets of a large city trying to convince you to become a monk, or to convert to xyv religion.
Max: He's 23 and he's a virgin.
Tim: Well he did take that abstenance pledge.
Max: Damn, his rooms always locked too...probably just another bible-beater.