carbohydrate loading

noun

1. the practice of eating high amounts of carbohydrates, sometimes after a period of low carbohydrate intake, for several days immediately before competing in an athletic event, especially a marathon, in order to store glycogen in the body, thereby providing greater reserves of energy.

n.

1. A dietary practice that increases carbohydrate reserves in muscle tissue through the consumption of extra quantities of high-starch foods and is often followed by some endurance athletes prior to competition.