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Taken from the adjective louche, meaning a crass, irresponsible person, this noun represents the fun-loving side of the same virtues. A life-loving, sometimes a user of illegal substances, person who's mostly always happy.
Let's call John. He's a natural born louchean; he'll be a lot of fun to bring to the beach.
by J. Sean J. Nicholson June 23, 2009
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