Related Clues:

• Flinch, e.g.
• Flinch, perhaps
• First square of some board games
• Show surprise, perhaps
• [Oh ... my ... Lord!]
• Shocked response
• Sudden movement
• Flinch or blink, say
• Sound scared
• Horrified sound
• Response to a shock
• Betray horror
• One might fight to the last one
• Sudden intake
• [Oh ... my ... God!]