Related Clues:

• Reaction to castor oil
• Reaction to a bad joke
• Word of disgust
• [groan]
• Groan associate
• Ghostly utterance
• "That's terrible!"
• Sound of pain
• "That's awful!"
• ''That's awful!''
• Exertion indicator
• "That's disgusting!"
• Murmur of discontent
• Lowly soldier
• Grievous sound