Related Clues:

• Growl
• React like a threatened dog
• Mess during a commute
• Comb's target
• Traffic jam, e.g.
• Tangled mass
• Wolf's warning
• Mongrel's warning
• Tress distress
• Highway problem
• Cur's warning
• Complicate
• Problem fixable with a comb
• Become entangled
• Warning from a doghouse