Beurk is the French spelling of a common disgust interjection, similar to yuck or eww in English, and that cross-language familiarity helps it work even for listeners who do not speak French. On soundboards and in short-form edits, very short reaction noises travel well because they need no translation and can be understood from tone alone. This clip follows that pattern: at under a second long, it is easy to drop into memes, gaming clips and reaction videos whenever a creator wants a quick, unmistakable sign of distaste without explaining the joke.