Related Clues:

• Sound of escaping air
• Tut's relative
• Call from the bleachers
• Kin of 58-Across
• Cat sound
• Discouraging word?
• Lit firecracker sound
• It may give you a start
• Alarming shout
• React to the villain's entrance
• 'That wasn't nice!'
• Chiding sound
• When repeated, a rebuke
• Halloween call
• Greet the opposing team