Related Clues:

• Recover from a sprint, perhaps
• Breathe laboriously
• Swimmer's sound
• Breathe convulsively
• Surprised sound
• Surprised reaction
• Sudden inhalation
• [Oh, my stars!]
• Show sharp shock
• Sudden breath
• Quick inhalation
• Sound after coming up for air
• React with shock
• Sharp inspiration
• Startled inhalation