>>49945201It was originally predominantly used by the US military during war time, especially during the Korean and Vietnam wars.[1]
US occupation troops in Korea after World War II called the Koreans "gooks".[13] After the return of US troops to the Korean peninsula, so prevalent was the use of the word gook during the first months of the Korean War that US General Douglas MacArthur banned its use, for fear that Asians would become alienated to the United Nations Command because of the insult