Related Clues:

• Be attentive
• Attention getter
• "Watch it, buster!"
• Attention-getting shout
• Pay heed
• 'Wait a minute!'
• Call for attention
• 'Stop right there!'
• ''Hold on there!''
• ''You, there!''
• Conversation opener
• "Stop it!"
• 'You there!'
• Attention-getting call
• "You, there!"