Related Clues:

• Klutz's utterance
• 'Whoops!'
• 'Yikes!'
• Unwelcome word at an antique shop
• Kin of 'Uh-oh!'
• 'Sorry 'bout that!'
• Butterfingers' remark
• 'Oops!'
• 'Here comes trouble!'
• Unsettling comment from a pilot
• Cry over spilled milk
• Bad thing to hear at a checkup
• 'Look out...'
• Apprehension expression
• 'Stupid me!'