Related Clues:

• What the teeth are connected to
• Yak it up
• Chops
• Talk and talk and talk
• Talk at length
• Tittle-tattle
• Chatter away
• Leno's prominence
• Hog the telephone
• Mouth mover
• Jabber vociferously
• Paleontologist's discovery
• Uppercut target
• Dubious 'gift'
• Talk on and on