Crossword Genius

Shot of how it ends badly, not having succeeded (4,4)

Ross

I believe the answer is:

done with

'shot of' is the definition.
(to be shot of something is to be done with it)

I don't understand how the remainder of the clue works.

(Another definition for done with that I've seen is " Have no more use for, person or thing".)

I've seen this clue in The Times.
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