Short lip smack clips like this one have become a staple of online meme editing because they are instantly recognisable, easy to place and funny without needing any context. Creators use them as a quick reaction noise in short-form videos, comedy sketches and reaction compilations, where a single pop can stand in for a whole facial expression. Their brevity is part of the appeal, as the sound fits neatly between lines of dialogue or over a freeze frame, and it keeps working because it mimics a natural, human gesture everyone understands.