A blabbing, gossipy, mouth-all-mighty, who consistently vomits diseased rumors and foolish nonsense. 2.) The Old Betties who get together to yap about the neighborhood gossip. She always meddles in your everything instead of concentrating on her nothing of a life.
This phrase is usually followed up with a quick "fool" or "before you wreck yourself." Before you charge someone else with a crime of judgement, take a closer look at the man in the mirror and ask him to change HIS ways.