Related Clues:

• Word after a mistake
• Reel cut up -- oh dear!
• 'Oopsie!'... and a hint to the ends of 18-, 25-, 39- and 50-Across
• Exclamation at the end of a trip?
• "I'm such a butterfingers!"
• Roof off chicken houses -- oh dear
• ____-a-daisy
• 'That wasn't supposed to happen!'
• That was careless, dropping first of rings
• Pardon my slip!
• "Oh dear, that was careless!"
• Oh no ducks, I nearly forgot!
• I accidentally dropped something!
• "I dropped the fruitcake!"
• Exclamation of love, repeated with afterthought