Related Clues:

• Cheater's utterance
• Hushed "Hey, you!"
• 'Yo'
• ''Hey there!''
• Sibilant "Hey, you!"
• Furtive utterance
• Sound made with a cupped hand
• “Hey, over here!”
• "Hey you, c'mere!"
• Sound that will get your attention
• "Don't tell anyone, but . . ."
• "Hey, you there!"
• Secretive sound
• Hushed 'Hey!'
• "Hey!" in a library