Related Clues:

• 'Um, I hate to interrupt ...'
• "Psst" alternative
• Pause filler
• "Excuse me"
• Clearing, of sorts
• "Excuse me ..."
• Conversation opener
• "Stop it!"
• 'You there!'
• Attention-getting call
• "Excuse me . . ."
• "Pardon me"
• 'Beg pardon ...'
• "You, there!"
• "Howdy!"