Related Clues:

• "A bug!!"
• “It’s a mouse!”
• Shrill shriek
• "A ghost!!"
• [A spider!]
• Sound of a mouse pointer?
• Pest-spotting cry
• "Eww, a mouse!"
• Shriek that rhymes with 'shriek'
• Squeak of alarm
• 'You gave me a fright!'
• Cry on sighting 15-Across
• "A snake!"
• Shriek of fear
• Startled squeal