Egoism strictly defined is the habit of valuing everything only in reference to one's personal interest. It’s a kind of selfishness and it’s opposite is altruism.
Metaegoism takes this a step further and finds a way to enshrine one’s egoism thus formalizing it. A good example of this would be to get your Urban Dictionary contributor’s name as an Urban Dictionary entry.
The metabolic ability of a female (or raging tail gunner) to process nature's yoghurt i.e. a teaspoon of sperm cider
Beatrice: 'Jessica, darling you look absolutely divine- you must tell me your diet secret'
Jessica: 'Well Beatrice, I guess I was just thankfully born with a stupendous metabojism as I manage to stay wafer-thin despite smoking more Poles than Hitler did in all of Word War II'
It is a sacred and sovereign suprapolitical-spiritual unity of various territories, peoples and nations. Headed by the figure of the emperor, it has transcendental, metaphysical, mythical, aristocratic, political, warrior, symbolic, cultural and spiritual aspects. Its ingrained values are loyalty, fidelity, honor and glory.