A "chatterer" refers to someone who talks a lot or excessively, often without saying anything meaningful or important. It can describe a person who enjoys idle or nonstop conversation.
Sentences with «chatterer»
Do cell phone chatterers have more to fear than bulky monthly bills? (scientificamerican.com)
It was a bone cruncher, a teeth chatterer, a real kidney shaker. (fieryfoodscentral.com)
Even as cell phone use has soared worldwide, not every cell chatterer encounters the same exposure. (scientificamerican.com)