This sound comes from Undertale, the 2015 indie RPG created by Toby Fox, where each main character has a distinct dialogue noise. Sans became one of the game's most quoted and memed characters, so his text sound spread far beyond gameplay clips into meme edits, TikToks and joke dubs. People often use it as shorthand for a lazy, ironic or unfazed response. Its popularity has lasted because even a split second of the sound is enough for many players to recognise Sans immediately.
About this sound
The short voice blip used for Sans dialogue in Undertale. People add this sound to game memes, deadpan jokes and character impression edits.
This clip is the quick, low-pitched talking noise associated with Sans in Undertale, the sound that plays as his text appears on screen. It has a dry, slightly buzzy tone and comes off as casual, lazy and a little mischievous, matching the character's laid-back style. Because it is so short and instantly recognisable, creators use it to give captions a game dialogue feel or to make a joke land with Sans energy. Even without music or visuals, the sound suggests sarcasm, understatement and a knowing pause before a punchline.