Related Clues:

• "Hey!"
• ''Um, excuse me . . ''
• "May I say something?"
• ''Hey, pal, over here!''
• Informal conversation starter
• "Ahem!"
• Furtive call
• Interrupter's sound
• "Over here!" noise
• 'Over here!' noise
• ''Hey, pal''
• "Ahem" cousin
• "Beg pardon"
• Throat sound
• "Could we get on with it?"