A conflicting situation when something is both nasty and nice at the same time.
"Man, I was so hungry, I ate an entire pizza from Rosa's drenched in that bottom shelf Ranch Dressing from the corner store. It was damn near the nicetiest thing I've done in a long while.
"I had a menage a trois with two teenage runaway hookers who were addicted to heroin. It was beyond nicety. It was the best sex I've ever had...I should probably go get tested though."