Ratinho, whose real name is Carlos Massa, is a long-running Brazilian television presenter known for his loud, humorous hosting style on SBT. His catchphrase-like exclamations became familiar to Brazilian audiences through years of variety television, and short clips of them later circulated on soundboards and social media as reaction sounds. The 'teste' in the original upload suggests this version was shared as a test clip, but fans kept using it because the single word is instantly recognisable, easy to drop into edits, and carries the energy of a live TV moment.