Plop sounds have become a staple of short-form video and meme editing because they are instantly recognisable and easy to place over almost any visual gag. Unlike a named catchphrase or a clip from a film, this version has no single documented source, and it circulates as a generic cartoon-style effect that creators reuse for splashes, drops and comic falls. Its popularity comes from its simplicity: one tiny wet noise can turn an ordinary movement into a joke, which is why similar plops appear across reaction videos, gaming highlights and social edits.