Circulating as part of the Undubtale FR set, the clip takes its name from the French word crachat, meaning spit, and its appeal is deliberately crude and instantly readable. Short reaction sounds like this travel well in memes and short-form edits because they need no translation: a listener understands the dismissal from the noise alone. Creators reuse it as a punctuation mark for rejection, a quick way to end a bit without explaining the joke, which keeps it useful long after the original clip has faded from view.
About this sound
The Undubtale FR crachat is a short French spitting effect, used in memes and edits to show disgust, disdain or comic rejection of something.
The crachat clip is a brief, wet spitting noise, sharp at the start and trailing off in a messy, dismissive splutter. It lasts just over two seconds, which makes it land instantly without needing any setup or dialogue. Played over a reaction shot or a bad take, it reads as pure contempt: the audio equivalent of turning away and spitting on the ground. It works because the sound is so physical and unmistakable, so viewers feel the disgust before they have time to think about it, and the joke lands harder when the visual stays deadpan.