1. verb To talk idly or incessantly. Now that she can talk, my little girl will just chitter-chatter away all day long. My date is still chitter-chattering away, but I stopped listening a while ago.
2. noun Idle or incessant talk. Now that my daughter can talk, I get to listen to her chitter-chatter all day long. You can always count on some inane chitter-chatter in the conference room before a meeting starts.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.