Place it at the reveal in a reaction edit, then follow it with a bruh sound for the friend's stunned response, or precede it with a fart with reverb when the mess itself needs introducing first.
关于此声音
A short voice clip, just under five seconds, of Mike Wazowski delivering the Portuguese put-down seboso, meaning greasy or grimy, in his high, nasal tone. It lands as playfully disgusted and teasing rather than truly mean, the kind of exaggerated squeamish reaction that turns a small messy moment into a shared laugh.