now (someone) has gone and done it

now (someone) has gone and done it

Someone has just done something very grave, foolish, and/or irreparable. "Now you've gone and done it! My mother's gonna tan our hides for breaking that!"
See also: and, done, gone, now
Farlex Dictionary of Idioms.
See also:
  • been and gone and done it
  • no time like the present
  • no time like the present, there's
  • there's no time like the present
  • that's better
  • get (something) over and done with
  • good and quickly seldom meet
  • follow on
  • at (someone's) behest
  • as good as done