Eating Someone's Lunch Aggressive competition that results in one company taking portions of another company's market share. Investopedia Says: A more aggressive company "eats the lunch" of another company when it takes some of its competitor's market share. This can be achieved through the implementation of a better product, an aggressive pricing strategy, or other competitive advantages. Related Terms: Absolute Advantage Comparative Advantage Competitive Advantage Dog Eat Dog First Mover |