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In western culture, it is a name that is a mix of the names Aden, and Reid, although the majority of people with the name Reidan are Asian all are males.

a Reidan is generally creative, slightly attractive and funny

In other uses of the word Reidan it is a verb where the person does an act of irrationality or uselessness for the intent of self entertainment
Stranger: Reidan? what type of a name is that?

Reidan: i have no fucking clue

Guy: *karate chops raw meat"
Girl: what was that for?
Guy: sometimes i just like to reidan
by Anal Fire Monkey February 13, 2011
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