blabber

You learn a lesson in any case: To blabber is human, to button divine.

Compared with a British admiral, Tacitus was a loquacious and copious blabber and babbler.

If you like to tell me more, you can do it quite safely; I'm no blabber, and I'm not a rascal.

He is no blabber, to divulge secrets committed to his bosom for security by confiding friendship.

Pal, we're blabber-mouths compared with your British Intelligence Service.

Just as soon as a woman reads a book, she's got to talk highfurlutin' blabber.