Related Clues:

• 'That's incredible!'
• See 30-Across
• Bloke
• Circus cry
• See 41-Down
• 'That's amazing!'
• 'Isn't that nice!'
• 'La-la' lead-in
• Exclamation before 'Look!'
• Fellow
• 'Keen!'
• Cry at fireworks
• 'Totally cool!'
• Pleased sound
• 'That's awesome!'