Place it as the immediate response after a character's long excuse in your edit, then follow it with the Bruh Meme Sound for the fallout, or precede it with Discord Join Call Sound when someone enters mid-argument.
關於此聲音
This is a sub-second shout of 'Urusai' by Kurisu Makise, delivered in a high, frustrated voice that lands like a scolding. It feels funny and exasperated rather than truly angry, an abrupt interruption that stops chatter cold. The clip comes from Steins;Gate, where Kurisu uses the word during her annoyed exchanges with Rintaro Okabe.