Related Clues:

• Outfielder's cry
• 'Whoops!'
• 'Yikes!'
• 'Aha!'
• 'Understand?'
• 'Eureka!'
• 'I understand!'
• 'Oops!'
• 'Here comes trouble!'
• Cry of success
• Understood
• Unsettling comment from a pilot
• 'Oh, I see'
• Bad thing to hear at a checkup
• 'Look out...'