Related Clues:

• Sly call for attention
• Confidential call
• "Don't let anyone else hear this"
• 'Hey, listen up!'
• Silenced 'Hey!'
• 'Hey! Over here!'
• You there
• Soft "Yo!"
• Discreet 'Looky here!'
• Whisper lead-in
• ''Watch out!''
• "You . . . yeah, you"
• Sibilant 'Hey!'
• 'Hey, buddy...'
• "Looky here!" sound