1 definition by Hi I am Kyle T.

A short or long-term disorder that causes people to say usually untrue, exaggerated, or just plain ridiculous things.
Guy 1: Did you hear Guy 3 talking about how the world will end? Do you think it is true?

Guy 2: Don't worry about it, he has ridiculosis.
by Hi I am Kyle T. October 2, 2010
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