Related Clues:

• Flaps one's gums
• Puppy plaints
• Pup squeaks
• Blabbers
• Barks sharply
• Chatters with rising voice - should be keeping quiet
• Kennel barks
• Barks like a pup
• Lab sounds?
• Mouths, in slang
• Prattles on
• Won't zip it
• Jibber-jabbers
• Puppy barks
• Runs at the mouth