He couldn't stand their endless 'chatter' [='prattle'] about celebrities and movies.
He was 'chattering' [='jabbering'] away on a cell phone.
Children 'chattered' in the middle of the playground.
(..) to all of you about it. Who here's been in a helo crash before? OK, then we're all good. We've just crossed the border, now entering Pakistan. Pakistani comms, no chatter. Should be coming up just off our nose, eleven o'clock. Stay tight. Three seconds. Hey! Slide right! Slide right! (..)2012 Zero Dark Thirty
(..) I'm sorry, Earth is closed today. You better pack it up and get outta here. Stonekeeper. Does this chattering animal speak for you? Certainly not. I speak for myself. You're trespassing in this city and on this planet. (..)2018 Avengers: Infinity War
(..) What do you mean... more than a man? An organisation...? What? There's a name, that no-one says. And I'm not going to say it either. Now, enough chatter. Time to choose. Sherlock?! Sherlock! What if I don't choose either? I could just walk out of here. (..)2010 TvShow: Sherlock Title: A Study in Pink Season: 1 Episode 1