A person who is a master of cock handling and surpasses the common skill level of someone who would be called an expert. Commonly refers to a homosexual male or a person being accused of being homosexual, but could also be used to refer to a woman good at sex.
That girl I took home last night was a cockmaster general.
Is that your boyfriend? Damn you are a cockmaster general.
Like a cockmaster, but on the grandest scale possible.
Stop pissing around you cockmaster general.