Related Clues:

• 'Whew!'
• 'No kidding!'
• 'Yikes!'
• 'Oh, my!'
• Exclamation of surprise
• Youth
• Tyke
• See 50-Across
• 'Holy cow!'
• 'Gee!'
• Mild oath
• 'Gee whillikers!'
• 'Holy smokes!'
• More than 'hmmm!'
• Youngster