Place it immediately after the mistake, then follow it with SpongeBob Fail to underline the flop, or open with Dramatic Dun Dun Dun before the reveal so the moment lands as the punchline.
About this sound
This short clip from Animal Crossing lasts just over two seconds and pairs a gentle falling chime with a small, whimpering vocal sound, as if a villager has just realised something went wrong. It feels sweetly panicked and awkward rather than genuinely upsetting, turning embarrassment into something light and funny. It comes from the Distress reaction in New Horizons, where villagers can teach the player the worried emote.