The line draws on Five Nights at Freddy's, the indie horror game series created by Scott Cawthon and first released in 2014, where players survive nights as a security guard watching animatronic characters through cameras. Online, the phrase became shorthand for that role, clipped and reused in edits, remixes and fan videos built around late shifts and sudden entrances. Its staying power comes from instant recognition among players, even without gameplay footage, so a single short announcement can set up a familiar horror setup and a comedic payoff.