GET D!RTY! Next time you're traveling or just chattin' in Korean with your friends, drop the textbook formality and bust out with expressions they never teach you in school, including: -Cool slang -Funny insults -Explicit sex terms -Raw swear wordsDirty Korean teaches the casual expressions heard every day on the streets of Korea:-What's up? Wasseo? -Holy shit, I'm trashed. Ssibal, na manchiwi. -I gotta piss. Na swi ssayahae. -Who farted? Bangu nuga ggyeosseo? -Wanna try doggy-style? Dwichigi haeboja? -That bitch is crazy! Heo nyeon michin nyeoniya! -I could really go for some Korean BBQ. Na cheolpangui meokgospieo.