Related Clues:

• Talk and talk
• Run off at the mouth
• Chew the rag
• Big fat mouth
• Not hold one's tongue
• Talk incessantly
• Big mouth
• Yak
• Chatter idly
• Yackety-yak
• Bark
• Pup's bark
• Mouth, in slang
• Blah-blah-blah
• Chinwag