Related Clues:

• React like a threatened dog
• Comb's target
• Traffic jam, e.g.
• Tangled mass
• Wolf's warning
• Freeway problem
• Grow more profound
• Mongrel's warning
• Tress distress
• Cur's warning
• Become more profound
• Problem fixable with a comb
• Draw into an argument
• Become entangled
• Warning from a doghouse