Related Clues:

• Surprised response
• [Oh, no!]
• First Greek letter
• "I don't believe it!" noise
• Sound frightened
• Online "Lordy!"
• Inhale in shock
• Chat room "Holy cow!"
• Stunned sound
• Inhale in horror
• Textspeak abbr.
• Express shock or surprise
• Last ___
• WTF relative
• Recover from a sprint, perhaps