Badass Korean

You're cool like Korea... You’re a real BADASS, so learn to speak like one!

Learn some Korean slang from the GreyRat before you become the linguistic equivalent of a 99-pound weakling.

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As much as a Rat’s Tail (the book that started it all)


Korean Slang, Invective & Euphemism– the Insider’s guide
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An Irreverent look at Language within Culture
Get ‘street’ with A Rat’s Tail– Learn what the kids are really saying, all the Korean they will never teach you in class. Korean is rich with the dynamic linguistic expressions and freshly coined language. A Rat’s Tail dives into the intricacies of modern Korean slang introducing the hip, hot, spicy and sexual, the irreverent and inspiring, the cultural, crass and comical. This is the Korean not covered in the language books, full of color and infused with philosophy.
With A Rat’s Tail in hand, you can impress others with your verbal acumen as you complement their fashion sense, dish out dirty words, or text up a storm, while you gain insight into the mind and culture of the Korean people.
Get the lingo on:
  • expressions so necessary they’re like rice
  • a little something on the side
  • stuff to say (and do) while drinking
  • spicy language and swearing
  • something sexy to say
  • what they say in the halls, not the classroom!
  • Konglish & more

Get the Straight Scoop with explanations of uncommon words and unusual usage.

Culturally Speaking – get the skinny on how Koreans think, speak or act.
Plus how to pick up, break up, make up, or get down and dirty.
Find out who’s abusing you and how to talk about someone behind their back.
“This book is the bomb!” —Mr. Kim
“A must read for Koreans and foreigners alike!” —Mr. Park
“Shockingly fun!” —Mr. Lee 
“Great bathroom reading!”—another Mr. Lee (go there if you dare)
Author Bios
Peter N. Liptak lives and writes in Seoul, Korea. An avid traveler and poet, Peter draws on Korea’s people, language and culture as a source of inspiration, linguistic and otherwise. Keen on dialect and borrowed words in language, Peter did his MA in Korean Studies at Yonsei University. Catch up with Peter and his musings at or his adventures at
Siwoo Lee – A young philosopher who studies international management at KyungHee University, Siwoo Lee has taken a profound interest in the symbolism of language, combined with his fascination with foreign tongues and his sophisticated command of slang, has led him to delve into the world of A Rat’s Tail. Find it at

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