
Here is one that is constantly growing with new submissions.
ATHEIST DICTIONY
Below are a couple of entries. You will want to learn more.

Revelation
1. One man's truth, another's hearsay (secular).
2. One man's Truth, another's Heresy (religious).
Revelation from God A socially acceptable form of the "voices" usally associated with chronic schizophrenia.
Rigor Mormons A religous group who insist on knocking on your door in the morning and boring you stiff.
Ritual Cannibalism The practice, symbolic or otherwise, of eating part of a dead person's body in order to acquire his powers. Sometimes known as "communion"
Roadkill The dearly departed, this mortal coil, the prison of flesh.
Robot (limited programming) Good Baptist wife.
Roman Catholic Church Another very large paedophile ring (see Greek Orthodox Church). Well-known for slaughtering millions of non-believers.
Rowling, JK Authoress of the popular "Harry Potter" series of books. As a single mother in abject poverty, she started writing and elevated herself to celebrity status. The central characters in her books are honest, compassionate, and industrious. However, because she is not a Christian, many fundamentalists try to get her books banned from public school libraries, for fear that she is a "bad influence".