Related Clues:

• Poker player's giveaways
• Goes on and on and on
• Sings, so to speak
• Blathers on
• Some puppy patter
• Talks on and on
• Sings, at the station?
• Reports
• Big fat mouths
• Kennel noises
• Slangy mouths
• Terrier talk
• Rambles
• Barks incessantly
• Blows the whistle on