Related Clues:

• Show dissatisfaction
• Halloween sound
• Bill-blocking vote
• Greet the villain appropriately
• Cautionary word
• Derisive exclamation
• Bit of reproof
• King in 1922 headlines
• "I forbid you!"
• Negative vote
• Opponent's utterance
• Audience insult
• King in a Steve Martin song
• Shout of disapproval
• Potpourri