1. The practice of conspicuously buying flashy, expensive items and expecting them to fill the voids in one's life.<br /><br />2. A pejorative used to malign people who enjoy material luxuries, implying that it's impossible for a person do so without having an unhealthy fixation on them. Usually used as a sour grapes excuse to hate people who can afford more luxuries than one's self.<br /><br /><br />consumerism definition by Urban Dictionary