Related Clues:

• Greeting for the villain
• Snake's warning
• Snaky sound
• 'Greetings' org.
• Flat tire sound
• Radiator sound
• S.D.S. target
• Entombed king
• It gave out nos.
• Halloween greeting
• It may give you a good start
• Serpent's sound
• Bad reception?
• Catcall
• Condescending cluck