Excess consumption by an auxiliary member of the leisure class. This is referenced in Thorstein Veblen's "The Theory of The Leisure Class". His most prominent example is described as a wife of a member of the leisure class.
Through vicarious leisure, she enjoyed the fine accoutrements provided by the vastwealth of her husband.
Vicarigasm is an orgasm achieved purely through the empathetic enjoyment of of givingpleasure to one's partner, or watching/experiencing their orgasm, with no direct physical stimulation of one's own genitals.