Place it at the end of a failed-attempt scene, after the mistake is fully visible, then follow it with Woody Woodpecker Laugh for the reaction. For a longer back-and-forth, open with You What before the insult so the exchange builds toward the put-down.
Über diesen Sound
This short Spanish voice clip lasts about 2.6 seconds and delivers the phrase 'Viejo Inútil' in a blunt, dismissive tone. It lands as a sharp, mocking put-down, the kind of line that turns a failed attempt or a stubborn older character into a joke. The delivery feels playful rather than cruel, so it works best as light teasing between friends who enjoy trading insults.