Related Clues:

• Throat noise
• 'I'm standing RIGHT HERE'
• With 78 Across, brusque greeting
• 'Whaddaya know!'
• 'May I speak?'
• Throaty attention getter
• "I'm waiting!"
• ____ you!
• "Hold it!"
• ''Wait one minute!''
• 'Don't you forget about me'
• Tap-on-the shoulder alternative
• "Attention please!"
• Attention-grabbing sound
• "Wait a minute!"