French dance, once considered naughty (6)

I believe the answer is:

cancan

(Other definitions for cancan that I've seen before include "Lively French dance, doubly permissive" , "Daring French dance, doubly permissive" , "Lively French stage dance" , "from 23a [LA VIE PARISIENNE]?" , "Paris music hall dance" .)

I've seen this clue in The Irish Times.

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