@Steve *******
LOL but:-
unfuck (English)
Origin & history
un- + fuck. For the sense of making a mistake, see fuck up.
Verb
unfuck (third-person singular simple present unfucks, present participle unfucking, simple past and past participle unfucked)
(slang, vulgar, transitive) To correct or fix (a mistake or problem).
(vulgar, transitive) To undo the act of copulation with (a person) or its consequences.
Still not sure if I used the term correctly but you got my drift?