Quaintly, goof rocking this fur outside (8)

I believe the answer is:

misthink

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

'rocking this fur outside' is the wordplay.
'rocking' indicates anagramming the letters.
'fur' becomes 'mink' (mink is a kind of fur).
'outside' is an insertion indicator.
'this' is an anagram of 'sthi'.
'sthi' inserted inside 'mink' is 'MISTHINK'.

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I've seen this clue in the Sydney Morning Herald.

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