The elongated bruh became a staple of online reaction culture as short-form video and meme editing made exaggerated disbelief easy to share. Rather than coming from one famous scene, the sound works because the word itself is already shorthand for disappointment and disbelief, and stretching it turns a familiar reaction into a joke. Creators reuse it across TikTok, YouTube Shorts, and gaming clips, where its length lets editors hold on a mistake or reveal for comedic effect. Its staying power comes from that flexibility: it fits almost any moment that deserves a slow, unimpressed response.