Related Clues:

• Halt
• What red means
• Where to get off
• Pull the plug on
• 'That's enough!'
• 'Stop bugging me!'
• Call off
• Hit the brakes
• Obstruct
• Worked (up)
• 'Cut it out!'
• 'Quit it!'
• Ban
• Cease and desist order?
• Organ knob