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Jason Derülo (n) Syndrome: A person with a very large ego. Someone who thinks he/she is 'larger-than-life'.

It is commonly believed that rapper Kanye West has the "Jason Derülo Syndrome", and that he was partly cured by his appearance on the TV show SouthPark.
Person 1: "I am the next Michael Jackson. I'm the next Gandhi. I'm the next Jesus Christ."

Person 2: "Damn, you're being a Jason Derülo.", or, "I think you have Jason Derülo Syndrome."
by Quebuciosos28 September 14, 2010
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