Home › Words › F › fanfestfanfestfanfest · noun — an event held for fans.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom fan + -fest.nounAn event held for fans.e.g.“Fans of the genre frequently gather at comic book and sci-fi fanfests, which often screen Japanimation films.” — 1995 October, Billboard, volume 107, number 43:Definitions & examples from Wiktionary (CC BY-SA 3.0).