Related Clues:

• Bad thing to hear at the dentist's office
• "We're in trouble!"
• 'Are you hurt?' reply
• Reassuring comment after a fall
• 'Oops-a-daisy'
• 'Don't look now ...'
• "This might not be good"
• "Could be a problem"
• ''How are you'' reply
• ''Looks like trouble''
• 'This is looking bad!'
• Cry after a spill
• Reassuring reply
• A little radioactive matter in contact with the molecular constituents of water: whoops!
• "Nothing's broken!"