Related Clues:

• (Over here!)
• Rider on way over here
• Sneaky 'Hey, you!'
• Polite cough sound
• *cough, cough*
• Sibilant hail
• (Check this out!)
• (Check this out)
• "Your attention, please"
• 'Yo - check this out!'
• 'Excuse me . . .'
• 'Hey, you!' but quieter
• ''If I might interrupt . . .''
• 'Look this way!'
• Discreet 'Hey!'