Related Clues:

• With 53-Across, a Beatles song
• Way to get noticed
• 'Howdy!'
• "Get your hands off me!"
• "You there!"
• 'You, there'
• "Hey, over here"
• 'Hey ... over here!'
• Verbal elbow in the ribs
• Subdued attention getter
• Furtive ''Hey, you!''
• ''Get your hands off me!''
• Sibilant summons
• ''Hey there''
• Alternative to 50-Across