Related Clues:

• 'Holy mackerel!'
• 'Holy smokes!'
• See 11-Down
• Hipster's exclamation
• See 8-Down
• Youngster
• Man-to-be
• Fortify
• 'Wow!'
• Million ___ March
• See 38-Across
• Chesspiece
• 'Golly!'
• See 5-Down
• Young man