Related Clues:

• Hair entanglement
• Copy a vicious dog
• Growl viciously
• 'Grrr!' is one
• Surly growl
• Junkyard warning, maybe
• Tie-up, real or figurative
• Growl like an angry dog
• Sound from a cornered cur
• Growl threateningly
• Knitting annoyance
• Warning from a canine
• Snarling sound
• Confused situation — speak harshly
• Growl angrily