Related Clues:

• Scared sound
• Enthusiastic sound
• Back-scratchee's reaction
• Reaction to a surprise ending, perhaps
• __ and aah
• 'What a display!'
• Sudden intake of air
• "___ la la!"
• Gaps in struggle for breath
• Short sharp intake of breath
• Struggle for breath with open mouth
• Puff, struggle for breath
• Crowd's response to a fireworks display
• Inhale sharply with astonishment
• Short laboured intake of breath