Place this clip right after the mistake lands, then follow it with the Classic Punch Sound Button for a bigger second gag, or lead in with the SpongeBob Fail Sound Button when the scene needs a cartoon setup first.
About this sound
This 11-second clip features Patrick Star speaking in his German dub voice around a light slap moment, taken from a Best of Patrick compilation. It feels goofy and harmless rather than mean, with the dopey delivery turning a tiny bonk into a silly, friendly joke.