jabberer

/ˈdʒæbərər/
noun
  1. A person who talks quickly, excitedly, or in a confusing way.
    • The teacher asked the jabberer in the back row to be quiet.
    • My little brother is a constant jabberer, especially when he's excited.
    • The jabberer at the party wouldn't let anyone else speak.
Antonyms
What does "jabberer" mean? | whatsthatwordmean | whatsthatwordmean