Place it immediately after the failed attempt, as the final beat of the scene, then cut straight to the reaction shot. For a bigger build-up, open with the Vine Boom Sound Button for the impact, follow with the SpongeBob Fail Sound Button for the failed moment, and let this clip close the sequence.
About this sound
This five-second clip is a trombone playing three short, descending wah notes in a row, each one sliding down like a sigh. It sounds deliberately clumsy and theatrical, turning a small failure into a joke everyone recognises at once. The feeling is gently mocking rather than cruel, a light, awkward pause that makes a bad punchline funnier instead of letting it hang in silence.