flibbertigibbet

/ˌflɪbərtiˈdʒɪbɪt/
noun
  1. A silly, flighty, or overly talkative person, especially one who is not serious or reliable.
    • The boss thinks he's a flibbertigibbet who never finishes a project.
    • In the old movie, the flibbertigibbet character provided comic relief with her gossip.
    • My little sister can be such a flibbertigibbet, chattering about everything at once.
What does "flibbertigibbet" mean? | whatsthatwordmean | whatsthatwordmean