1 definition by TheKidWithCatEars

Top Definition
(verb.) A spastic action caused by a surprise update from a fandom.

The actions can range from totally hilarious to dangerous. Many people experiance Faneurysms when they get tour updates or purchase a new volume of their favorite manga.
Charlotte had a faneurysm due to her late updates concerning Radiohead.

Cat had a faneutysm when she watched the new episode of Supernatural.
by TheKidWithCatEars September 21, 2011

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