giglet

/ˈɡɪɡlɪt/
noun
  1. A silly, frivolous, or giggling young woman or girl.
    • The giglet couldn't stop laughing during the serious lecture.
    • My grandmother called me a giglet when I was a teenager and wouldn't stop chatting with my friends.
    • In the old story, the giglet was always more interested in parties than in her chores.