Related Clues:

• 'Put a sock in it!'
• 'That's enough out of you!'
• Restraining order?
• ''Pipe down!''
• Silencer
• Librarian's admonishment
• It's said to be golden
• "Shh!"
• Moviegoer's reprimand
• Library request
• Lullaby word
• "Enough of that!"
• It'll shut you up
• It can fall over a crowd
• Breath-holding crowd reaction