smafuck

As well as being a conjunction of "smart fuck," smafuck is also:
The act of brown-bagging a woman, otherwise figuratively "cropping out" the woman's face prior to and during intercourse, as the term is derived from "smaf," hence "smafuck."

Yeah, bro, that chick was a butterface, so I smafucked that shit.

smafuck

A conjunction of "smart fuck." Usually preceded by the word "one."

That boy's I.Q. is 144, he's one smafuck.