Related Clues:

• Elementary school trio?
• Act surly
• [Don't make me bite you!]
• Sound of frustration
• Angry dog's response
• Stomach complaint
• Stomach sound
• Knot in hair
• "Better stay out of my yard!"
• Doberman sound
• The other mad dog's response
• Canine complaint
• Tie up in knots
• What angry dogs do
• Pooch's warning