Place it right after a WhatsApp message ping in a chat screenshot edit, then follow it with a Kiko laugh so the joke lands as a reply rather than a random noise, and keep it as the punchline, not the opener.
关于此声音
This is a 0.6-second burp in the high, squeaky voice of Topolino, the Italian name for Mickey Mouse, with the cartoon character's playful tone turned into a single sudden noise. It feels instantly funny and a little gross, the kind of sound that makes a listener laugh before they can stop themselves.