tattle

A tattletale.

Often said of children: a piece of incriminating information or an account of wrongdoing that is said about another person.

Idle talk; gossip; an instance of such talk or gossip.

To chatter; to gossip.

Often said of children: to report incriminating information about another person, or a person's wrongdoing; to tell on somebody.

To speak like a baby or young child; to babble, to prattle; to speak haltingly; to stutter.