Related Clues:

• 'Hey you'
• Quiet ''Hey you!''
• "May I speak?"
• 'Pardon the interruption ...'
• Sound from a test cheater?
• "I've got a secret to tell you"
• 'Hey, kid, check this out ...'
• Start of a library conversation
• 'Um, I'm trying to talk here ...'
• Attention-attracting sound
• Quiet "Over here!"
• "Um, excuse me ..."
• Hushed head-turner
• Alternative to "ahem"
• "Um, I'm trying to talk here . . ."