Related Clues:

• TUH's close to this
• Close to tuh's
• Close to 23 across
• Make nothing of this, by the sound of it
• 'Button your lip!'
• "Be quiet!"
• 'Shaddup'
• "Zip your lip!"
• 'Shut your hole!'
• "Not another word out of you!"
• Close to silence?
• Imprison and reduce to silence
• Silence in jail!
• Don't gossip in prison?
• Order making South African quiet?