Faithritism 

The favoritism shown to theists by others of their own faith.

Person 1: Hey, I see John got the promotion.

Person 2: Yeah, well, that's only because he goes to the same church as the boss.
Person 1: Damn faithritism. Maybe I'll have to start believing in a deity.

Faithritism by Long Dark Tea-time of the Soul January 14, 2015

farthritis 

Acute, aching pain in the lower bowel or rectum following the discharge of a massive, guttural fart.

Andrew got no sleep last night because of a relapse of his farthritis.

farthritis by RichardMus March 20, 2013

fairitism

a minor virus that last about 3 weeks causing a human to become extremely excited to go the youth fair

The girl had fairitism for having to wait so much for the first day of the youth fair.

fairitism by katie 'KiKi April 7, 2008