Related Clues:

• Greeting for the villain
• Halloween greeting
• It may give you a good start
• Catcall
• Response to a bad call
• Raspberry
• Cry of contempt
• Deride
• Boo
• ''You stink!''
• Ghostly greeting
• Disapproving cry
• It'll give you a start
• Word from 22-Down?
• Derisive cry