done and done

done and done

Totally, unequivocally finished or finalized. Just one more piece to the puzzle, and... there! Done and done!
See also: and, done
Farlex Dictionary of Idioms.

done and done

mod. completed and finalized; signed, sealed, and delivered. Sure I finished. It’s done and done.
See also: and, done
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • be done and dusted
  • done and dusted
  • done over
  • be done with (someone or something)
  • be done
  • as good as done
  • good as done
  • good as done, as
  • no time like the present
  • no time like the present, there's