It's worn - blimey - on TV! (6)

I believe the answer is:

corset

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'it's worn' is the definition.
I can't judge whether this definition defines the answer.

'blimey on tv' is the wordplay.
'blimey' becomes 'cor' (I've seen this before).
'on' means one lot of letters go next to another.
'tv' becomes 'set' (I've seen this in another clue).
'cor'+'set'='CORSET'

Can you help me to learn more?

(Other definitions for corset that I've seen before include "Shaping undergarment" , "Stiffened undergarment" , "Tight undergarment" , "female garment!" , "fat controller?" .)

I've seen this clue in the Evening Standard.

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