Place it right after the unbelievable claim in your edit, then let the awkward moment hang before the next line lands. Pair it with Awkward Crickets for a deadpan beat, or follow it with a Shocking Sound Effect when the reveal deserves a bigger reaction.
O tym dźwięku
This is a very short French voice clip, lasting under a second, in which a speaker says the phrase "C'est pas vrai!" It gives a burst of playful disbelief, ideal for reacting to an unbelievable claim, an obvious lie or a surprising twist without saying anything more.