A short clip of the Portuguese word acabou, meaning it is over, used as a punchy reaction sound for endings, fails and dramatic reveals in memes and videos.
The sound is a brief spoken clip built around a single Portuguese word, acabou, which translates roughly as it is over or it has finished. The delivery is short and decisive, with the word landing like a full stop rather than building into a longer phrase, so the meaning hits instantly even for listeners who do not speak Portuguese. That bluntness is the joke and the point: it cuts off a moment, closes an argument, or punctuates a failure with total finality. Used at the end of a clip, it makes the ending feel abrupt, funny and unarguable, as if nothing more needs to be said.
Acabou is a common Portuguese word meaning finished or over, and its appeal online comes from how instantly recognisable that finality is, even outside Portuguese-speaking audiences. Short-form creators use the clip as a verbal full stop, dropping it at the moment a story ends, a challenge fails or a joke lands. Because it is only a few seconds long and carries a complete meaning on its own, it works across languages, subtitles and reaction edits, which helps explain why it keeps appearing in memes, compilations and everyday chat videos.