Definitions by Yu-Gi-Oh! is supreme.

NecroPottersis

An overdose of Harry Potter that creates necrosis in your brain. A very deadly disease that kills 24,000 people around the world each year.

Guy 1: Did you hear about Girl 1?
Guy 2: No, what happened?
Guy 1: She binged Harry Potter and caught NecroPottersis.

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