An ailment common with writers of all kinds. The opposite of writer's block, it's when one has so many ideas for a story that their brain shuts down in an effort to cope, usually resulting in a splitting headache and a craving for chocolate,potato chips, or some other unhealthy snack.
Usually lasts about an hour, a day in severe cases.
Friend: "Hey, what's wrong?"
Writer: "I've got writer's overload, man. Can you go get me some chocolate and an aspirin?"