De-fuck: (or un-fuck), cancel the sexual intercourse (by going back in time ...) that someone's parents have had or return him/her to the hospital (the morgue, to be exact) where he/she was born at, so that this so very hated person's or exetremely unworthy of living moron's existence wouldn't have space in the first place. :D
The antonym of fuck, used as in "getting fucked up"
To reverse the procedure of getting fucked up.
To restore to good health.
To repair to a usable or presentable condition.
This chick was totally stoned so she had to go get defucked up.
Wow, those geeks totally defucked that computer that I thought was a complete piece of shit.