The exact origin of this clip is not documented, so it circulates mainly as a shared Turkish soundboard and messaging audio under the name çuf çuf hoca. Online, the phrase works as shorthand for a chugging, teacher-like character, combining the train sound çuf çuf with hoca, the Turkish word for a teacher or hodja. It spread through short reposts and reaction videos because the loop is instantly recognisable even without context, and creators reuse it whenever a slow journey or pompous entrance needs a familiar comic rhythm.