The sound comes from T-Bone for Two, a Pluto cartoon released on 14 August 1942, where Pluto's slapstick antics were matched with exaggerated, rubbery effects. The short suction, whee, plunk and bounce sequence was later preserved in professional sound effects libraries, including a Hollywood Edge collection listing it as an inflate, pop and land effect. Editors still reach for it because that vintage cartoon timing feels instantly recognisable, even in a fraction of a second, and it adds old-school Disney-style physical comedy to modern shorts, animations and memes without needing any words.