Related Clues:

• Flap one's gums
• Barked remark
• Scottie's word
• It might mean 'I want a treat!'
• Fido's reply
• Thin bark?
• Make like a motormouth
• Less threatening sound than 'grr'
• Sound at the pound
• Toy sound?
• Sound from a woofer?
• Dog's sound
• Talk noisily
• Lab greeting
• 'Ruff!'