The laugh is tied to Five Nights at Freddy's, the horror game series that began in 2014 and built its reputation on haunted animatronics, dark backstories and sudden scares. Fans lifted eerie childlike sounds from the games and their trailers, remixing them into edits, reaction clips and short horror videos that spread across short video platforms. Because the series remains popular with new games and a film audience, the giggle still signals danger instantly, even to viewers who have never played, and it keeps appearing in Halloween edits and fan-made jumpscare compilations.