Related Clues:

• Chihuahua's alert
• (Hello! I'm a dog!)
• It might be worse than a 29-Down
• Mutt utterance
• Dog park greeting
• "I want my bone!"
• (I'm a dog!)
• Chihuahua's cry
• Sound in a vet's office
• (Give me a biscuit!)
• (Woof!)
• Small dog's warning, perhaps