The 'There's Only 1 Picture on This Site With 15 Million Notes' meme is a quintessential piece of Tumblr history that parodies the platform's obsession with post metrics. It typically features a low-quality or completely mundane image, such as a bowl of soup or a blurry animal, accompanied by a caption claiming it is the only post to reach 15 million notes. The joke is built on the irony of such a massive number being attached to something so trivial, often prompting users to reblog it in a collective effort to make the absurd claim a reality. It has become a template for internet meta-humor, used to highlight the unpredictable nature of virality and the unique inside jokes of the Tumblr community.