Hikakin is one of Japan's best known YouTubers, famous for beatboxing and vocal impressions built entirely around sounds he makes himself. Patoka is the Japanese word for a police car, and this clip turns that everyday siren into a short impression that is easy to recognise and reuse. The recording spread through meme pages and soundboards, where short Japanese creator clips are often clipped for reactions outside Japan. Its appeal has lasted because the siren is universally understood, while Hikakin's delivery makes an ordinary emergency sound feel silly, shareable and instantly quotable in edits worldwide.