Rude nudes cavorting, having too little to do? (9)

I believe the answer is:

underused

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'too little to do?' is the definition.
I can't judge whether this definition defines the answer.

'rude nudes cavorting' is the wordplay.
'cavorting' indicates anagramming the letters.
'rude'+'nudes'='rudenudes'
'rudenudes' with letters rearranged gives 'UNDERUSED'.

'having' acts as a link.

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I've seen this clue in The Times.

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