kimchi

kimchi A Korean dish made of vegetables, such as cabbage or radishes, that are salted, seasoned, and stored in sealed containers to undergo lactic acid fermentation.
puhekieltä A Korean person.
1994, Richard Marcinko, Rogue Warrior II: Red Cell, Pocket Books, page 238:

How did I know the kimchis were trying to smuggle the crate out of Japan?

In the United States, Germans are sometimes called "krauts" ... Koreans "kimchis," and poor white Southerners "crackers"...

... he doesn't know the difference between Ping-Pongs and Kimchis.