carbo-load
verb
car·bo-load ˈkär-bō-ˌlōd 
carbo-loaded; carbo-loading; carbo-loads
intransitive verb
: to consume a large amount of carbohydrates through food intake usually in order to improve performance in an upcoming athletic event (such as a marathon)
Word History
Etymology
carbo
First Known Use
1983, in the meaning defined above
Medical Definition
carbo-load
intransitive verb
car·bo-load ˈkär-ˌbō-ˈlōd
: to consume foods high in carbohydrates especially in preparation for an activity (such as distance running) that requires long-lasting energy and endurance