Someone who blabbers.

plural of blabberer

To blather; to talk foolishly or incoherently. / To blab; to reveal a secret. / (UK, obsolete) To stick out one's tongue.

A person who blabs; a tattler; a telltale.

present participle of blabber

Foolish or incoherent talk; blather; babble.

simple past tense and past participle of blabber

Third-person singular simple present indicative form of blabber

plural of blabber

plural of blabbering