The one-second laugh comes from a TikTok video by the Hungarian creator @a.leglazabb.matektanar, whose name translates roughly as the chillest math teacher. The clip captures a brief dry chuckle that soundboard users lifted as a standalone reaction sound. Little is documented about the creator beyond the account itself, so the sound spread purely through reuse: editors drop it over fails, awkward pauses and deadpan punchlines. It sits alongside other short laugh clips like baby laughing meme and cat laugh meme, but its flat delivery gives it a drier, more sarcastic edge.