Related Clues:

• Master's command
• Chilling out
• Shelved
• Harmless, as threats
• Sit at a light
• Keep the engine running
• 'Spamalot' creator
• Sitting around
• Spot order?
• Not play
• "Stop milling around!"
• Make a lap
• Run in neutral
• What 27-Down isn't
• Emulate a couch potato