Related Clues:

• 'Whew!'
• Cry of delight
• Exclamation of surprise
• Aah's partner
• Youth
• Tyke
• Sound at the circus
• 'That feels good!'
• 'Cool!'
• See 50-Across
• 'Holy cow!'
• 'Gee!'
• 'Isn't that beautiful?'
• ___-la-la
• 'Wonderful!'