This sound is commonly tied to Sans, the popular skeleton character from Undertale, a 2015 indie game that became a huge meme source online. Short Sans-related music clips spread widely through gaming videos, reaction edits and joke soundboards because fans recognize the reference immediately. Even when the clip is only around a second long, it still carries the game's playful but tense energy. Its staying power comes from how quickly it signals Undertale, Sans and internet humor in one beat.