Related Clues:

• Sound from an exam cheater
• "Want to hear a secret?"
• Listen!
• Verbal jab in the ribs
• 'You there!'
• "Hey, Mister!"
• Clandestine signal
• "Excuse me . . ."
• "Pardon me"
• 'Beg pardon ...'
• Surreptitious sound
• "Hey, Mac!"
• Bid for attention
• Secretive attention getter
• Fence’s utterance