The exact original recording behind Só Besteira is not clearly documented in the listing, so it is best understood as a short Portuguese-language reaction clip circulating on soundboard and social platforms. Its appeal comes from the phrase itself, which is instantly recognisable to Portuguese speakers as a light way to call something nonsense without sounding harsh. Because the clip is only about two seconds long, it travels easily between memes, reaction videos and short edits, where a quick spoken dismissal often works better than a longer explanation.