In the
Shadowrun roleplaying system, a term used to describe the negative effects of
jacking out of the
Matrix without preparing for it first. Essentially like pulling the plug on your
computer without shutting down first, except in this case your brain is the computer. Dumpshock generally causes temporary
seizures and
disorientation.
Dumpshock.com is also a popular
Shadowrun website with a large collection of game-related news and player-created resources.