Little detail is available about the recording behind this clip, so its identity online comes from the title phrase itself. In Portuguese, estourado suggests someone who has hit a limit, whether from tiredness, stress or having spent too much, and attaching the name Nelson turns that feeling into a shareable label. That is why it circulates as a short reaction sound in chats and edits rather than as an excerpt: the phrase is recognisable to Portuguese-speaking listeners, the joke needs no setup, and the ten-second length makes it easy to drop into memes about arrivals, bad days and overwork.