Related Clues:

• Town-crier's call
• Whispered ''Hey!''
• Secretive ''Hey, buddy!''
• "Life sucks!"
• Library attention getter
• Show-off's demand
• Furtive attention-getter
• Alternative to 'Hey!'
• Soft "Over here!"
• Cheater's sound during a test
• Hushed "Hey!"
• ''Hey!''
• It ain't quite "Hey!"
• ''Hey!'' in a library
• Covert sound