Metabojism

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'