The phrase comes from a Brazilian meme that circulated in 2017, when its title linked the joke to Bolsonaro and Folha de São Paulo, one of Brazil's major newspapers. It treats Sherlock Holmes, the famously observant fictional detective, as a sarcastic label for anyone who points out something painfully obvious. Shared through meme pages and soundboards, it survived because the situation it mocks never goes away: someone arriving late to a conclusion everyone else reached long ago. Its short length also makes it easy to drop into videos, streams and chat replies.
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A Portuguese clip sarcastically declaring 'we have a Sherlock Holmes' when someone states the obvious, from a 2017 joke about Bolsonaro and Folha de São Paulo.
This is a short spoken Portuguese line delivered with mock surprise, as if a brilliant detective has just cracked a case that was obvious to everyone else. The speaker announces that there is a Sherlock Holmes in the room, turning an ordinary observation into a punchline about stating the blindingly obvious. The tone is playful and sarcastic rather than angry, which makes the joke land instantly even for listeners who do not follow Brazilian politics. In edits it works as a reaction beat, pausing the action for a second while the audience catches the irony, then letting the scene continue with the joke already made.