Related Clues:

• 'Wow!'
• 'Fancy that!'
• 'That's awful!'
• Unsettling comment from a pilot
• 'My word!'
• See 38-Across
• Words of surprise
• 'Golly!'
• See 5-Down
• Bad thing to hear at a checkup
• 'By gar!'
• Young man
• 'Holy Toledo!'
• 'Gosh!'
• 'Look out...'