Related Clues:

• "Pardon me ..."
• 'Hey, you'
• 'Hey ... you'
• [I'm talking here]
• "Hey, buddy!"
• Sibilant sound to attract attention furtively
• Polite noise to draw attention
• Polite word to draw attention
• Noise made when clearing throat
• Half-cough to draw attention
• Sound of call to hear a secret
• Whispered exclamation to attract attention
• Sibilant whisper to attract attention
• Sibilant interjection to call attention
• Noise made when clearing throat (4