Related Clues:

• Boxer's "Back off!"
• [Return that bone at once, or I shall bare my teeth and yip!]
• [Mumble, mumble]
• Exasperated cry
• Guard dog's warning
• "I'm mad!"
• Dog's sound
• Warning from a boxer
• [This is frustrating!]
• Sound from a junkyard dog
• Sound of exasperation
• Angry dog's sound
• Sound of mistrust
• Dog's snarl
• [I'm mad!]