Place it at the exact reveal in a reaction edit, then follow with a Sitcom Laugh Track when the joke needs a bigger payoff, or a Sad Trombone Sound Effect when the reveal falls flat.
关于此声音
Yuudachi's tiny 'poi?' line is a sub-second anime voice clip, delivered in a bright, chirpy voice. It feels cute, odd and a little puzzled all at once, like a tiny question with no real answer. The line is her trademark catchphrase from Kantai Collection, which is why fans recognise it instantly in memes and reaction edits.