The sound comes from the Russian song best known by its hook, a moy malchik edet na devyatke, in which the singer describes her boyfriend arriving in a devyatka. The devyatka, the VAZ 2109, was a common affordable hatchback in Russia in the 1990s and 2000s, so the lyric became shorthand for modest, street level romance and car culture. Short excerpts of the chorus later circulated on soundboards and in Russian language meme videos, where the familiar hook is reused for Lada clips, ironic car flexes and nostalgic edits.