The sound comes from Baldi's Basics in Education and Learning, the 2018 indie horror parody where teacher Baldi chases players through a school collecting notebooks. Later releases Baldi's Basics Plus and Classic Remastered updated the audio, and this version is tagged as the fourth jumpscare lose sound, Lose_Creepy. Clips from the game spread through YouTube let's plays and meme edits because the low budget horror style is instantly recognisable. The fnaf jumpscare scream is a close cousin in how creators use both for sudden, over the top scares.