Tango spoiled after cheat danced (10)

I believe the answer is:

foxtrotted

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'danced' is the definition.
(foxtrotting is a kind of dancing)

'tango spoiled after cheat' is the wordplay.
'tango' becomes 't' (phonetic alphabet: alpha, bravo, charlie etc.).
'spoiled' becomes 'rotted' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'after' says to put letters next to each other.
'cheat' becomes 'fox' (fox is a kind of cheat).
't'+'rotted'='trotted'
'trotted' after 'fox' is 'FOXTROTTED'.

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I've seen this clue in The Guardian.

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