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Chauvinism, though often wrongly considered to be gender-specific, is simply biased devotion to any cause, group or idea.

Cultural-Chauvinism, then, is simply biased, unreasonable devotion to one's own culture.
Idiot: My culture is the best!

Non-idiot: Why?

Idiot (in a rare moment of reflection): Because...it's the only one I know.

Non-idiot: you are certainly poisoned by cultural-chauvinism.
by The Mind Surgeon August 09, 2011