One who's cock and usually balls, can withstand excessive punishment. In fact, they are so strong that they become the possessor's greatest offensive weapon.
Knowing what you’re worth. Being self assured. Confidence, but not cocky though it may come off as cocky to less self confident and/or overcompensating people. You know who you are.
I word originating in the 1980s in NC. Initally a nickname many people called a guy from Jacksonville NC. Use of the word originally was used to describe his feats of strength in the gym. Many people thought it had to do with his sexual aura,so the word has overtime developed a second meaning to refer to a mans vitality.
