Someone who is a sanctimonious asshole. Usually a politician.
Example 1
Voter 1 - Wow listen to that holier-than-thou candidate talk about finding religion, even though he cheated on his first 2 wives.
Voter 2 - Yep, he is rectumonious.
Example 2
Candidates who preach "do as I say, not as I do" are rectumonious.
When someone updates their facebook status and/or posts links one after another in a short period of time.
Friend 1 What's up with Mary Lou? She just updated her fb status 5 times in the past 10 minutes!!
Friend 2 She has a severe case of status diarrhea!