Related Clues:

• Mouth off
• Big mouth, slangily
• Talk on and on
• Pie-hole
• Pomeranian bark
• Beat one's gums
• Canine comment
• Bark sharply
• Talk nonstop
• Talk nonsense
• Talk shrilly
• Imitate an annoying dog
• Speak Pekingese?
• Ramble on
• Run on at the mouth