Related Clues:

• 'Quiet!'
• 'Can it!'
• Closely confined
• 'Be quiet!'
• Gag
• Keep quiet!
• Stifle!
• 'Zip it!'
• ''Stifle!''
• 'Put a sock in it!'
• Restraining order?
• ''Zip your lip!''
• ''Can it!''
• "You're kidding!!"
• "Can it!"