The sound takes its name from the Roland TR-808 drum machine, released in 1980, whose deep kick drum became a defining low-end texture in hip-hop, trap and electronic music. Producers later stretched that kick into a longer falling sweep, creating the sub drop used to build tension before a beat returns or a scene changes. Shared through producer sample packs and editing libraries, it moved from studio tracks into short-form videos and memes, where its familiar rumble instantly signals that something big, serious or funny is about to land.