Place it at the exact moment of the reveal in your edit, then follow it immediately with the shocked sound for the reaction face, and finish with the oh no no no laugh as the group loses it.
关于此声音
This is a short, exaggerated fart sound effect lasting about one and a half seconds, built as one big, overblown blast rather than a quiet real one. It feels shamelessly funny and gross in a cartoonish way, the kind of rude noise that breaks tension instantly and makes a serious moment impossible to take seriously.