The sound comes from Fazbear Shift 4, a fan made Five Nights at Freddy's inspired horror game built around night shifts, security cameras, and animatronic characters that attack without warning. Jumpscares have defined the franchise since the original Five Nights at Freddy's, where a sudden face and scream end the player's run. Clips like this one were lifted from gameplay videos and shared on soundboards and in meme edits, because the short length and instant impact make it easy to reuse far outside the game itself for comedy scares and reactions.