The 'Portal do Zacarias' meme stems from a notorious Brazilian website famous for hosting sensationalist and often graphic content. Over time, the name has transitioned into internet slang, used to describe videos or situations that are chaotic, absurd, or seemingly 'cursed.' In meme culture, users often use the site's logo or name to imply that a video is about to take a dark or unexpected turn. It has become a cornerstone of Brazilian dark humor, frequently used in reaction images to express shock or the anticipation of something bizarre happening on screen.