The noun, "harrelsonia", refers to the sickness that one develops upon having repeated harrelsonian opinions.
Gamer JF: "Wow, Gamer MH, how harrelsonian of you to say that."
Or, for the noun:
Gamer JF: "My good friend Gamer ML, I'm afraid that something is seriously wrong with Gamer MH...his opinions...unnatural these days."
Gamer ML: "Hmmm, interesting statement, Gamer JF. I've noticed it too. It appears we must admit him for treatment before the harrelsonia spreads."