Related Clues:

• Word of refusal
• Crowd noise
• Roll-call call
• Expression of disapproval
• Vote, maybe
• Cry of derision
• Con's utterance
• Ancient king, popularly
• Boy king of Egypt
• It might make you start
• Well-preserved king
• 'Aye' canceler
• Opposition response
• Opposite of cheer
• Expression of disappointment