Related Clues:

• Reaction to a bad pun
• ''That was close!''
• Haunted house sound
• React to a bad performance
• 'You stink!'
• Sound of disgust
• Halloween word
• Crowd noise
• Expression of disapproval
• Cry of derision
• Paltry
• It might make you start
• "Boy, is it hot!"
• 'Eww, gross!'
• Opposite of cheer