Parisian dance (6)
I believe the answer is:
cancan
'parisian dance' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for cancan that I've seen before include "Leg-kicking dance" , "Parisian high-kicking dance" , "Daring French dance, doubly permissive" , "Lively French stage dance" , "Lively stage dance, doubly permissive" .)