1
general::
verb ADV. excitedly, happily | away, on He chattered on happily for about half an hour. PREP. about We chattered about work. | to chattering excitedly to her friends, noun ADJ. constant, endless, incessant Her constant chatter was starting to annoy me. | excited, nervous, noisy | idle I wish you'd stop wasting time in idle chatter. PREP. ~ about She was full of chatter about her new friends.
Oxford Collocations Dictionary
2
general::
Phrase(s): chatter (away) (at someone or something)
1. Lit. to talk incessantly or noisily to or at someone or something. • The parrot was chattering away at its ref lection in the mirror. • The kids were chattering away. • Stop chattering at me! 2. Fig. [for a small animal, such as a squirrel] to try to scare off someone or something. • The little squirrel chattered away at the crow. • The crow came close and the squirrel chattered away again.
McGrawhill's American Idioms And Phrasal Verbs