You've been jawin' like a lot 'a old hens.?

The phrase "You've been jawin' like a lot 'a old hens" suggests that someone has been talking excessively or gossiping, much like hens do when they cluck and chatter. It implies that the speaker finds the conversation to be trivial or perhaps even annoying. This expression often carries a humorous or light-hearted tone, emphasizing the speaker's frustration with the chatter.