The boop comes from A Hat in Time, a 3D platform game developed by Gears for Breakfast and released in 2017. It is associated with Hat Kid, the game’s young protagonist, whose playful vocal reactions complement the game’s colorful, comedic style. Short clips of her dialogue became useful beyond gameplay videos because they fit neatly into memes, animations, and reaction edits. The sound remains popular as a concise audio cue for pokes, taps, button presses, and other small actions presented as charming or mischievous.