n) the extremes and undesirable bits of a fandom or fandoms . Fandominance is this: when a "fandom" goes too far. These acts of stupidity are executed by the more senseless fans of typically fictional universes, most often from a book, video game, comic, movie, or television series. Such overreactions are often part of fangirling (which often consists of squeals) and/or shipping
Lokifan affected by fandominance: I love Hiddles and Loki is just such a cute little thing! I love his muzzle at the end of The Avengers! Sexy!
Me: Hiddles?
Loki fan: Hiddleston!
Me: ...Ooookay. Loki did try to enslave the human race, you know; have you heard of Stockholm syndrome?
Loki fan: DID YOU KNOW HE HAD SEX WITH A HORSE
Me: Wasn't that in Norse mythology and not the comic books?
A term for something that includes a character from a game or show that has a similar definition to canonically, but is twisted by the fandom of said game or show
Ex. The character of this game is fanonically able to do RANDOM THING SAID BY FANDOM