Place it at the end of a failed claim or a wrong answer, then follow it with a mocking laugh or a shocked reaction to close the moment, keeping the insult as the punchline rather than the opening.
Bu Ses Hakkında
This is a short Spanish voice clip, just over two seconds long, in which a speaker delivers the blunt phrase 'tú eres estúpido' with a flat, mocking edge. It feels dismissive and deliberately rude, like a verbal eye-roll aimed straight at someone who has just said something foolish. The insult lands instantly because the delivery is so plain and unhesitating.