The clip is a user-generated soundboard upload titled 'Yugioh - Essa bolas cabeludas', catalogued under the name of Seto Kaiba, the rival duelist from the Yu-Gi-Oh! anime. It runs just over a second and no official episode source is documented for it, so it is best understood as a fan-uploaded meme built around Kaiba's voice. The sound circulates in Brazilian meme edits, where the Portuguese phrase is dropped as a crude non sequitur, and it survives on shock value rather than any documented scene.