The boing is one of the oldest cartoon sound effects, rooted in early American animation where exaggerated noises replaced realistic physics. Sound designers created springy bounces using plucked strings, Jew's harps and studio props to match elastic movement on screen. It became a staple of slapstick shorts and later television cartoons, variety shows and children's programming. As those clips moved online, the same cue was reused in memes, game edits and short videos, where its familiar wobble still signals a goofy bounce or harmless fail instantly.