Squeaky toy sounds are a staple of sound effects libraries, where short rubber toy squeaks are recorded for cartoons, comedy and children's media. Online, the same bright squeak has become a shorthand for silliness, often dropped into memes, reaction videos and short-form edits to make a moment feel playful rather than serious. Because the sound is instantly recognisable and needs no context, creators keep reusing it for pets, toys, pranks and slapstick, and its half-second length makes it ideal for fast-paced social video.