This sound is commonly shared online under the Japanese label 目力先輩 and is mainly recognized as a loud reaction meme rather than for a clearly documented mainstream source. It spread through short-form edits, reposted soundboards, and meme compilations where sudden volume and exaggerated delivery are the whole joke. Its staying power comes from how instantly it changes the tone of a clip, similar to other blunt reaction inserts like bruh or a buzzer, but with a much harsher and more chaotic impact.