The clip circulates on Dutch soundboards under the name Koos with the phrase tong poetsen, which literally means brushing your tongue. No widely documented television, film or music source is attached to it, so its life is mainly online as a shareable short audio. Dutch speakers share it in chats and edits for its blunt, everyday wording, while non Dutch viewers use it as a random foreign phrase punchline. Its brevity and clear pronunciation have kept it in rotation for hygiene jokes and absurdist soundboard spam.