Place it at the end of a confusing clip, right before the reaction shot lands. Follow it with the bruh meme for a deadpan beat, or put the fail sound meme after a bad explanation that collapses completely.
À propos de ce son
A very short French voice line from Kaamelott, lasting just over a second, where the speaker asks 'Qu'est-ce à dire que ceci ?' in a baffled tone. It gives a feeling of total confusion and polite disbelief, like hearing something completely absurd and needing it explained immediately.