Someone who gets off at ranting, or love to get mad at something that doesnt fit their beliefs or agenda.
"I like to call people like this rage kinkers, people that like get off at just, like, ranting and raging about anything that does not fit their agenda, and thinks the entire worl has to follow what they think. rage kinkers, the people that just love to get mad and make other people mad too with anything on their mind!"
-MacDoesIt in 'Reacting to Anti-Gay Responses on Lil Nas X's Latest Music Video'.