Top Definition
a type of male who believes all should bow down to him and only him. Very arrogant and superficial, may come off as intelligent or wise but you will soon find that "deians" are hyppocrytical in nature. Beware, "deians" are highly skilled in the art of social deception!!!
The only reason that asshole of a dude got with all those hot chicks is cuz he pulled a deian on them.
by Milo January 21, 2005

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