Hawk, you are obviously from the wrong side of the tracks. The term is used by people who say things like,

"Yeah, dad, the cool vibes in that dive can really send you out, man. When that sax lick gets laid down even the uptightest cat in the joint discovers what copacetic is, and gets to digging where it's at 'cuz of the lick being laid on the cats by Mister Cool Horn is own self..."

We copacetic on that, man?

A