Fanboism

Fanboi is a derogatory term used to describe gamers who prefer a single product over all others despite any flaws or problems their choice may have. Fanboism is the state of being of such gayness and the gayness subculture of fanboi or fanboy
A typical 4chan console gamer will likely be a fanboi

You just like Nintendo better than Sony because nintendo has been around for over 100 years. Says one fanboi to another. Sony RULZ! Nintendo suckx. Oops I just the whole internet!
Typical fanboism conversation

Fanboism by Rubi-Pacifi-co December 9, 2008

fanboyism 

The collective outlook and behavior of a group of people concerning a subject (movies, games, hardware, comic book characters, etc.) which when challenged results in an antagonistic, passionate, and unreasoned response.

Rampant Fanboyism can be found on most internet message boards when such hot button subjects are discussed. You know a fanboy when you see one.

Example:
Fanboy 1: "Stupid people didn't get this movie"
Fanboy 2: "If you didn't like the movie, you should'nt come here and trash it."
Fanboy 3: It's unrealistic because.....___(fill in the blank about how this movie about flying superheroes is unrealistic.___"

fanboyism by Catperson June 18, 2007