Related Clues:

• Sound of satisfaction
• 'Would you look at that!'
• Utterance of discovery
• Sound of insight
• On edge
• Puzzle solver's cry
• Physical sound?
• Brainstorming cry
• Solver's shout
• Discovery utterance
• 'What a relief!'
• ''So there!''
• 'Now I get it!'
• Eureka!
• ''What did I tell you?''