The phrase comes from Blue Lock, the football anime built around ego-driven strikers competing to become Japan's best forward, and is associated with Barou Shoei, its loud, self-obsessed goal scorer. The existing episode note places the shout in episode 36, where Barou's larger-than-life personality is already a fan favourite. Fans lifted the short, chant-like line into edits and reaction clips because it is easy to recognise even without context. It endures as shorthand for unstoppable confidence, especially in football, gaming and anime montages.