The thud belongs to the long tradition of cartoon sound design pioneered in classic animated shorts, where exaggerated impacts replaced realistic noise to make falls and collisions read clearly on screen. Sounds in this style have been copied, remixed and shared in online sound libraries for years, becoming a shorthand for slapstick comedy. Creators keep returning to it because it is instantly recognisable, family friendly and easy to drop into short edits, memes and animation projects without needing dialogue or explanation.