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"Korean wave," or "Korean fever," it refers to the sudden increase in popularity of South Korean culture around the world in the last ten years.

This is largely because of the Korean entertainment industry and the popularity of kdrama and kpop.

For someone who has become obsessed with Korea thanks to hallyu, see koreaboo.
Thanks to hallyu, bands like DBSK and Big Bang are popular all across Asia.
by Saranghae August 10, 2010
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