Related Clues:

• 'Hey, you!'
• Alert
• 'Want to hear a secret?'
• Call to attention
• 'Hey!'
• 'Yoo-hoo!'
• Conversation starter
• 'Yo!'
• 'Look here!'
• Attention-getter
• 'Hey there!'
• Whispered call
• 'Hey, Mac!'
• Sound before 'Yeah, you!'
• 'Hey. You. Yeah, you!'