Place it at the exact frame of the mistake in your edit, then follow with a bell ding sound effect for a brighter payoff, or precede it with a classic error sound when the fail needs a harsher setup first.
Über diesen Sound
This clip is a short toot lasting just under two seconds, a single honk-like beep with no voice or music behind it. It feels playful and cheeky, turning a plain moment into a light joke that lands instantly without needing any explanation or buildup at all.