"Emphasized words" is "개또라이"(kae-tto-ra-i) in Korean.
개또라이 is the combined word of 개 " dog " means and 또라이 slang that means " mad ". The literal translation is to become a means "dog mad, crazy guy like a dog." In Korea word 개 (dog) is used as an insult words, it is used in the sense that guy head crazy.