Dancing is fun fad – that's my final comment (4,4)

I believe the answer is:

nuff said

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'my final comment' is the definition.
I don't know anything about this answer so I can't judge whether it can be defined by this definition.

'dancing is fun fad' is the wordplay.
'dancing' is an anagram indicator.
'is'+'fun'+'fad'='isfunfad'
'isfunfad' is an anagram of 'NUFF SAID'.

'that's' is the link.

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I've seen this clue in The Guardian.

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