A threat to use on a sexual partner when you'repissed at them. It will strike fear in their hearts, as you are attempting to take back all of the fucking you have done with them.
Girl: "YOU KNOW WHAT? I WISH I COULD UNFUCK OUR ENTIRE RELATIONSHIP!"
Boy: "Holy shit! NO!!!"
Noun or Verb:: the negative absolute value of fucking. The equal and opposite act of fucking; expressing the utter lack of desire to have sexual relations with someone. An unfuck negates a previous fuck. Also, a kwsh can lead to an unfucking
'''Damn, that nigga was fine but after last night I gotta unfuck him.''
During my 1st naval deployment , 2016, one of the petty officers on the flight deck, would always tell us to "unfuck the sistutation, guy." During my bootcamp, my chief petty officer would tell my squadron to "unfuck the situation" on training days. I couldn't help but laugh, then got yelled at more. During our fleet, the main Master at Arms ((MA)) would tell us to stop bullshitting, or to stop fucking around. He would tell us we need to unfuck the problem. Which pretty much means that he wanted us to find a fix to any of some ones or our own problems