Related Clues:

• Call for attention
• ''Pardon me!''
• Coughlike utterance
• 'So sorry!'
• Interruption starter
• ''Excuse me!''
• ''Excuse me ...''
• Fault line?
• Slight interruption
• Throat clearing
• 'Um, I hate to interrupt ...'
• Klutz's exclamation
• "Psst" alternative
• Pause filler
• Exclamation for a misadventure