Related Clues:

• 'Hey you!'
• Interrupter's word
• Whispered sound
• Street peddler's opener?
• Attention getter
• Cousin of "psst!"
• 'Don't forget about me'
• Attention-getting sound
• Attention-getting interjection
• ''Hey, bud!''
• Cousin of 'ahem'
• ''Hey, Mac!''
• Call for attention
• ''Pardon me!''
• Head-turner