Related Clues:

• Response to daredeviltry
• Circus sound
• ''I'm impressed!''
• [Gasp!]
• Unmixed, at a mixer
• La la lead-in
• 'Nifty!'
• Kind of little package
• Cry at a circus
• ''Cool!'' old-style
• Sound of contentment
• 'How exciting!'
• Undiluted, as whisky
• Unmixed at a mixer
• Straight up or straightened up