Originating from the Spooktober internet subculture, the Calcium Cannons meme typically features skeletons or anatomical figures in exaggerated, absurd, or powerful poses. The term often serves as a humorous euphemism or a literal reference to bone-based strength fueled by excessive milk consumption. It gained significant traction on platforms like Reddit and Twitter during the month of October, where users compete to create the most rattled or spooky content. The meme is primarily used to signal readiness for the fictional Skeleton War or to celebrate the health benefits of calcium in a surreal, comedic way.