Related Clues:

• Fireworks sound
• "Amazing!"
• Awesome!
• Expression of disbelief
• Opening remark
• Cry of contentment
• Backup singer's syllable
• Awed one's reaction
• Hot-tub sigh
• Satisfied sigh
• "Holy cow!"
• ''__ la la!''
• 'This is so-o-o relaxing!'
• 'Sweet!'
• 'That's gotta hurt!'