APT. is a 2024 pop single by Rosé and Bruno Mars built around a chant from a Korean drinking game, and it became a global viral hit across TikTok and short-form video. As the chorus spread, creators made louder, distorted edits that exaggerated its energy for comedy, turning the hook into a shock sound for memes and reaction clips. The boosted version works because listeners instantly recognise the melody, so the sudden volume feels like a joke in itself, and it remains popular whenever a creator wants an instantly familiar, high-energy burst.