(Noun) An individual whose physique becomes enlarged and grotesque as a result of consuming too much McDonald's food. This phenomenon, albeit formerly unnamed, gained national attention and was popularized by the documentury "Super Size Me."
Fatty McFatsofat at the Drive-Thru: "I'll have two Big Macs, no wait, make that eight Big Macs. And... throw in a batch of fries, you know, a whole basket full, however many large-sized fries that is... One McRib, three of this little cheeseburgers, a twenty-piece Chicken McNuggets... and..."
by jpsi December 24, 2008