Definition from Wiktionary, the free dictionary
youthfest (plural youthfests)
- (informal) A gathering of young people, or one where youth is celebrated.
2009 May 29, The New York Times, “Museum and Gallery Listings”, in New York Times:
- The result is a serious, carefully considered show, but one that with a few magnetic entries aside — a video by Cyprien Galliard; an animation by Wojciech Bakowski; a madcap Ryan Trecartin installation — feels sedate for a youthfest.