Related Clues:

• Complain, so to speak
• Sound of suffering
• Punch-in-the-gut response
• Sound of pleasure, perhaps
• Repelled reaction
• 'Blecch!'
• [My gut!]
• 'Eeeewwwww!'
• Hog sound
• 'Gadzooks!'
• Tryst
• Hit-in-the-solar-plexus noise
• Sound of disdain
• ''Horrors!''
• Swinish sound