Related Clues:

• 'Button it!'
• ''Quiet!''
• 'Zip your lip!'
• ''Be quiet!''
• 'C'mon, I'm trying to concentrate!'
• Admonition on a fishing trip
• "Be quiet!"
• Library warning
• 'You're scaring the fish, dude!'
• Emphatic warning in the library
• "Quiet down"