Possible Clues:

• Turned upside down, topled
• What the turnover did for Dedne?
• There was some turnover, but this reversed it
• It would not have got one down at last if the turnover was like this (7)
• This dupe is about the last thing to be turned over
• No longer in first place
• Topsy-turvy
• Inverted
• Had a turnover that finished at last
• Turned over and finished - twice!