N. Something that's "close enough" at first glance but closer inspection reveals it is slightly out of whack. Further inspection is worse and starts to stink and has a soft moist texture along with a sinking feeling in your stomach. Just off enough to muck up your day.
The study of skewege is called 'Hack-onics'.
N. skeweger - One who causes skewege or skeweges things up.
So Mr. Hack had a cad model @ leading edge consumer electronics company and one edge was 90.00000073 degrees causing the entire model to fail. The model was skewege.
See "riding the Failboat".