From Wiktionary, the free dictionary
From fan + brat.
fanbrat (plural fanbrats)
- (fandom slang, derogatory) An immature, obnoxious fan.
1994 December 8, Rodney Payne, “Re: Female Superheroes Superpowers”, in rec.arts.comics.misc[1] (Usenet):Normally I imagine fanbrats like heroes who `kick ass'.
2006 March 24, anne.elisa, “Re: Random thoughts on the Utena musical...”, in alt.fan.utena[2] (Usenet):I can understand fleeing the "fanbrats" that very popular animes can attract, but in a show like Utena, I don't quite see the point.
2014, Simon Spurrier, Elite: Nemorensis[3], Gollancz, →ISBN:The fanbrats who'd invariably mobbed him backstage at the height of his fame, […]
