Girl's Day Minah encouraged the usage of easy, everyday Korean language in a cute parody of 'Descendants of the Sun,' right alongside the fake 'Song Joong Ki'! 

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In this parody, Minah gets coy with a handsome soldier but soon gets frustrated with his stiff, stilted manner of speech. She tells him to just use simple words, and things fail to progress between the two lovebirds. At the end, Minah tells the audience to use "Woori mal," or "Our language" instead of the Sino-Korean (Chinese based Korean) words which is of little use and beyond understanding outside of the academic field in modern day Korea. 

I guess the moral of the story is...don't try to be too fancy with your words when you're trying to pick up chicks, lads--even if that chick may be a doctor.