Wind fool's topsail in (5)

I believe the answer is:

twist

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'wind' is the definition.
(I know that wind can be written as twist)

'fool's topsail in' is the wordplay.
'fool' becomes 'twit' (both can mean a stupid person).
'topsail' becomes 's' (I can't explain this - if you can you should believe this answer much more).
'in' is an insertion indicator.
'twit' enclosing 's' is 'TWIST'.

Can you help me to learn more?

(Other definitions for twist that I've seen before include "Sixties dance; cheat" , "Cheat (colloq.), dance" , "One who wanted more" , "See 14" , "Screw; distort" .)

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

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