Caponist 

One who worships Al Capone as their Lord and Savior.

Jim just converted his beliefs he is now a Caponist

Also see Al Capone

Caponist by Reginald B. Wellington September 15, 2014

canonistic

To have no concern for anybody else. To have a total disregard for everyone but yourself.

I cant believe they have parked across our drive, how canonistic.
selfish self centered arsehole wanker twat

canonistic by vaders-love-child October 21, 2015

Canonist

Fandom terminology for a person who only likes what is canon.

I love writing fanfiction but my friend hate it because she is a canonist.

Canonist by Problematic Virgil October 13, 2019