This clip is associated with Rigby from the animated TV series Regular Show, which became widely shared online through dubbed scenes, reposted clips and soundboard uploads. Portuguese-language meme pages and short-form video edits helped turn short lines like this into reusable reactions. It stays popular because the phrase is simple, instantly understood and fits many situations where someone needs to be called out for not stopping. The appeal comes from Rigby’s recognizable cartoon voice and the quick, annoyed delivery.