Related Clues:

• 'Hands off!'
• 'Cut that out!'
• 'Listen!'
• Warning at St. Andrews
• Air apparent?
• Heed
• Guarded
• 'Watch it, buster!'
• Steer clear of
• It may precede a stroke
• Casual greeting
• 'Hold on there!'
• Duffer's cry
• Driver's alert
• Hacker's cry