The clip comes from MasterChef Brasil, taken from season 3 episode 21, which aired on 26 July 2016 as listed in the file title. The phrase calma manow is Brazilian Portuguese slang, roughly meaning calm down, man, shouted during the pressure of a televised cooking competition. Short excerpts like this spread on Brazilian soundboards and messaging apps, where brief shouted lines become reusable reactions. Its popularity comes from how instantly recognisable the urgency is, even for listeners who do not speak Portuguese, so it keeps circulating as a comic calm-down response.