The your mom joke has been a staple of playground banter, comedy routines, and internet humour for decades, long before short-form video made it easy to reuse as a soundbite. Online, it survives because it is instantly recognisable: almost everyone knows the setup, so creators do not need to explain it. In memes and reaction clips, the line works as shorthand for a light-hearted roast, a way to deflate a boast, or a quick ending to an argument without escalating it.