Related Clues:

• Mongrel's warning
• Warning from a boxer, perhaps
• Tress distress
• Mad dog's warning
• Cur's warning
• Complicate
• Problem fixable with a comb
• Become entangled
• Warning from a doghouse
• Become tangled
• Mutt's warning
• Sound surly
• Show one's teeth
• Act surly
• Angry dog's response