The clip circulates online under its Korean phrase and the romanised slug nemo gaejjolrineundeyo, which is how most listeners find and share it. No clear original source is documented, so it has spread mainly as a standalone reaction sound rather than as a known scene quote. Korean slang gives it a comic, overblown tone that travels even when viewers do not understand every word, and short form edits keep reusing it for gaming scares, nervous characters and mock panic moments where a longer line would lose the joke.