Top definition
When anything you say is actually the complete opposite of what's true.
Michael: I hate you so much. Jennifer: Michael, you're the epitome of the Dio Theory. I know you actually love me.
by UT24 December 08, 2010
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Jun 25 Word of the Day
When someone thinks they are the main character of their life. Usually comes with a side of individuality complex, quirky style and a self centered point of view.
"I asked Jenny where the beer was and she said 'Just over the horizon, like my dreams.'"

"Yeah, that girl has a major case of Main Character Syndrome."
by CrazyandIknowit April 27, 2021
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