fanshee

A young fan, ususally a girl, who shrieks uncontrollably every time a teen idol is seen nearby or at a show.

The tweeny girls became fanshees when the Jonas Brother appeared.

by Momus the Sarcastic September 03, 2009

fanshee

Obsessive fan of supernatural books and films like Twilight and True Blood.

Jane is a total fanshee. She'd go through Stephenie Meyer's garbage if she could.

by Gambit99 July 04, 2011