A term used for when something or someone pisses off a massive amount of people at once.
Person1: "Hey dude, wanna know what would be funny?"

Person2: "Sure"

Person1: "I think it would be hilarious if Xbox Live and the Playstation Network went down for like a week or two. Especially with all the online multiplayer games there are on them?"

Person2: " Haha Dude that would create mass pissteria"
by Crunk Berries March 2, 2009
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