The exact original recording behind Martim Nervoso 2 is not widely documented, and the clip circulates mainly as a short user-shared reaction sound rather than as part of a known show, film or song. Its appeal comes from its brevity and recognisable nervous energy, which makes it easy to drop into memes, reaction videos and short-form edits without needing context. Because the name points to a single person and a single mood, listeners can reuse it as a shorthand for being caught, stressed or suddenly defensive.