Crossword Genius

Fine old pair of openers, one briefly about to perform (4-4)

Ross

I believe the answer is:

okey-doke

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'fine' is the definition.
(I've seen this before)

I don't understand the rest of the clue.

Can you help me to learn more?

(Another definition for okey-doke that I've seen is " very well".)

I've seen this clue in The Times.
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