0 a girl or young woman who is a fan of someone or something such as an actor, a type of music, a piece of technology, etc.:
Fangirls love shows not just for their good qualities but for the opportunities they provide to engage emotionally with what's on the screen.
Or she might just be a big comic book fangirl.
She runs the chatroom during the show, compiles the question roster, and provides occasional fangirl commentary.
Aaron has admitted to going fangirl on him when meeting him for the first time at a convention in 2008.
Jack then shows him the picture the fangirl sent to him.
