Related Clues:

• Spot announcement?
• Sound that might deter a burglar
• Traffic tie-up
• Tie-up
• Sound of an empty stomach
• Traffic problem
• Knot up
• Tree knot
• Emulate an empty stomach
• Doberman's warning
• Bend out of shape
• Snarl
• Rush hour problem
• Greeting from Spike
• Warning before a bite, perhaps