Place it at the end of a Miku clip, after the cute setup and just before the reaction shot. Follow it with the Shocked Meme Sound for the stunned face, then the Goofy Yell for the over-the-top follow-up, and finish with the Oh No No No Laugh to let the audience join in.
About this sound
This is a short, roughly two-and-a-half-second fart sound presented under the Hatsune Miku name, built around one exaggerated cartoon toot instead of a spoken line. It feels deliberately silly and juvenile, the kind of abrupt noise that catches a listener off guard and turns a quiet moment into a quick laugh. It works best as a brief prank cue rather than a musical clip.