Named after the French mathematician Évariste Galois who invented a branch of mathematics and fought in the French military, but died by the age of 20 in a duel.
The state after eating massive amounts of food so you don't feel like moving, and you just lay there on the couch like a galopogus sea lion on the beach. Usually a fat, lazy person or after eating a lot on holidays or special events such as Thanksgiving or BBQ's.