Quack sounds have long been a staple of cartoon comedy, where a single honk could signal silliness without a single word of dialogue. Online, short duck quacks became popular soundboard clips because they are instantly recognisable, easy to drop into a joke and short enough to reuse in memes, reaction videos and prank edits. Creators still reach for them today for the same reason: the sound needs no explanation, it lands immediately, and it turns an ordinary clip into something playful in less than a second.