Rogenitis 

A medical condition used to describe when someone develops or already has the stereotypical 'stoner' laugh. Similar to the laugh of Seth Rogen. Typically more nasaly/airy.

*dude laughs*
"man, you've got a huge case of Rogenitis. sweet."

Rogenitis by Gnorme April 25, 2010

Rohanitis 

A recognized medical condition where a person makes really bad jokes and puns, mostly as a result of prolonged exposure to a person named Rohan.

His extremely bad puns might be a symptom of Rohanitis

Rohanitis by SableyeGravity June 24, 2016

Ravenitis 

When you are obsessed with a person called Raven and you think about Raven 24/7

Dude, you got ravenitis

Ravenitis by PotatoesRock March 8, 2017

Rogenation 

The art of making something funny that is not funny

Seth Rogen can use Rogenation to make his stuff funny

Rogenation by PDESIL April 21, 2010

Renitise 

To annoy or vex somebody

1. Ughhh Chloe you bitch, you're really renitising me right now!!
2. "To renitise or not to renitise, that is the question"

Renitise by Willpower2000 September 20, 2018

Roseninism 

The Religion used for worshipping the one true God: Michael Rosen.

I will try and convert as many as I can to Roseninism

Roseninism by n0rto October 22, 2020

Rodentism 

An up and coming religion based on Rodent beliefs and faith. Founded on October 17 2021 in Dallas, Texas.

Rodentism has the potential to be a world domination.

Rodentism by mr318360 June 19, 2023