Place it right after the smell is revealed, then follow it with Shocked Meme Sound for the face, or Oh No No No Laugh when the group turns on the culprit. Keep it as the single sniff gag in a short edit, and let a reaction clip close the scene.
关于此声音
This short clip pairs two quick sniffs with a long, exaggerated paaahhh, like someone catching a smell and reacting to it in the most dramatic way possible. It feels silly, gross and playful, the kind of over-the-top reaction that makes a prank land without needing any setup.