1. A common occurrence when a person playing (often games) on the internet neglects to eat or drink food for a long enough period that they die or their body atrophies to a husk.
2. A tragic plague that struck many internet pirates after limewire went down
"Did you hear about that Korean Starcraft player?"
"No what?"
"He died of internet scurvy in an internet cafe surrounded by food after playing starcraft for 40 hours"