Related Clues:

• 'That's not fair!'
• Ghost word
• Let off a little steam
• Cheer's opposite
• Greet the visitors?
• Ghost's call
• "Get off the stage!"
• Reaction dreaded by a performer
• "Bad call, ref!"
• Sound of crowd disapproval
• "You stink!"
• Scarer's shout
• Word meant to startle
• Response that, odds are, I'm probably going to get
• Vocalize displeasure