The phrase comes from hardcore techno culture, where short chanted hooks are sampled and looped to hype a crowd and keep energy high throughout a track. As a standalone clip online, it has been lifted from that rave context and reused as a reaction sound, detached from any full song. Creators share it on soundboards and in short edits because the wording is instantly clear even out of context, making it useful for jokes about determination, gaming streaks, workouts, dancing and anything presented as impossible to pause or slow down.