It may describe people, things, trends or actions.
Off the grid can describe current events which may be sinister. It may also describe people who have proven themselves so far superior in their chosen field that no one can compare.
It may also describe creativity or genius that's oftentimes so advanced that those who possess oteegee were often decades before their time.
Sometimes, innovation came so far before the general public was ready to accept it, that the originator actually died penniless, as is the case with many "off the grid" artists, engineers and inventors.
Utter genius beyond conventional comparison.
Bob Dylan's off the grid musical talent is so powerful it keeps people buying albums long after his voice has failed him.
Michael Jordan and basketball? One word: oteegee, baby.
9-11's off the grid terror brought America to its knees.