unfuck

From un- +‎ fuck. For the sense of making a mistake, see fuck up.

unfuck (third-person singular simple present unfucks, present participle unfucking, simple past and past participle unfucked)

1. (slang, vulgar, transitive) To correct or fix (a mistake or problem).
2. (vulgar, transitive) To undo the act of copulation with (a person) or its consequences.
   • 1982, Marge Piercy, Braided Lives, page 269, →ISBN.

     "I won't do it again. I won't! You'll see. I have to prove that. I have to prove it to myself."

     "You can't unfuck him Donna."

   • 1996, Michael Peterson, A time of War, page 222, →ISBN.

     You can't unfuck a woman or shove the baby back in.

   • 2002, Larry Owen, The Female Lieutenant, page 191, →ISBN.

     There is just no way to go back and unfuck the maid or whatever it was that got him in trouble in the first place.

   • 2011, Kate Willoughby, Just Winging It, page 63, →ISBN.

     Recognizing the signs that she was approaching orgasm, he upped the pace […] But too late now to unfuck her.

   • 2011, Erica Orloff, Freudian Slip, chapter 6, →ISBN.

     Kate's voice was so quiet, Julian saw Leslie lean forward to hear her. “Do you propose undoing screwing my boyfriend, Leslie? Are you going to unfuck him?”

• As modification to history is typically hypothetical, the sense concerning copulation is usually used in a negative construction.