Related Clues:

• Show displeasure
• Noise heard in late October
• Exclamation of disapproval
• Heckler's holler
• Ghost call
• Spooky sound
• Bleachers sound
• "Eek!" provoker
• Hon, to Andy Capp
• Southwest Airlines, on the 61 Down
• One way to meet
• Scary syllable
• ''Bad call, ump!''
• Jeerer's cry
• Response to an error, maybe