The Body Visualizer meme stems from a web-based tool originally designed to help people visualize body changes based on height, weight, and measurements. Internet users quickly hijacked the tool to create exaggerated, often grotesque 3D avatars by inputting impossible stats. It gained significant traction on sites like 4chan and Twitter, where users would label these distorted figures as 'peak human form' or compare them to fictional characters and celebrities. The meme often parodies fitness culture and body image expectations by highlighting the absurdity of the generated 3D models.