The effect comes from the Sound Ideas Classic TV Sound Effects library as a vintage recording titled Continuous Springing Bounce with Comic Flexible Accents. Libraries like this supplied the boings heard in mid-century cartoons and later television comedy, where a single flexible spring sound could sell a hop, a pogo stick or a character stretching out of shape. Editors still reuse it today for retro cartoon edits because it reads instantly, much like a Mario Jump in games, even without any picture at all helping it.
About this sound
A vintage cartoon spring bounce sound effect with continuous boinging and flexible comic accents, used for silly jumps, falls and slapstick edits.
This is a long vintage cartoon bounce effect built from a repeating springy boing that stretches, wobbles and snaps back without fully stopping. The recording has that warm, slightly crackly classic television feel, with each flexible accent rising and falling in pitch like a cartoon character hopping, slipping or being launched into the air. It does not sound realistic at all, and that is the point. The exaggerated elasticity makes any movement feel weightless and silly, instantly turning a normal jump, fall or wobble into slapstick comedy for the viewer watching it.