Related Clues:

• Pained interjection
• "Yipe!" (or an apt title for this puzzle?)
• Reaction to an insect bite?
• Exclamation of sudden pain
• Exclamation of pain - that hurt!
• Yipe
• Bad-pun reaction
• Punch line?
• Pained comment?
• Gut-punch response
• Punchy response?
• "That hurt my feelings!"
• Reaction at the gas pump
• Response to a shot, maybe
• Pained expression when top of bed falls off