Place this clip right after the questionable claim in your edit, then follow it with the shocked sound for the reaction beat, and let the oh no no no laugh close the sequence if the moment turns into a pile-on.
Über diesen Sound
Honzo Prdelkoo is a 5.6-second clip shared as a prank sound, with the uploader describing it only as sus. That brief label shapes the whole listen, giving it a suspicious, side-eye feeling that lands like an accusation without needing a long setup or explanation for anyone hearing it in the moment.