Related Clues:

• Comics sound effect
• Backup singer's syllable
• Awed one's reaction
• 'Ouch!'
• "Holy cow!"
• ''That hurts!''
• ''__ la la!''
• 'Sweet!'
• Cry at a light show
• '-- -la-la!'
• [This is heavy!]
• Amazed exclamation
• Amazed cry
• Response to fireworks
• 'Look at that!'