Showy, flashy display (6-6)

I believe the answer is:

razzle-dazzle

(Other definitions for razzle-dazzle that I've seen before include "Glitzy showmanship" , "Showy fuss" , "Showy display" , "... showy frolics" , "Rowdy spree" .)

I've seen this clue in The Guardian.

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