1. Describes the notional location of any program that has gone off the trolley. Esp.: used of programs that just sit there silently grinding long after either failure or some output is expected. “Uh oh. I should have gotten a prompt ten seconds ago. The program's in deep space somewhere.” Compare buzz, catatonic, hyperspace.
2. The metaphorical location of a human so dazed and/or confused or caught up in some esoteric form of bogosity that he or she no longer responds coherently to normal communication. Compare page out.