the maximum size your penis can be at any given moment. rock hard (happens rarely)

When you eat dirt for the first time and leave your family to build a shack in the woods

When a person becomes aroused, and their penis goes erect, and beyond hard. Swollen and massive, such an erection takes longer than average to go away, and can often cause uncomfortableness with the bearer. However, the Megarections should be worn proudly, in all situations, despite cultural or social norms