Exactly what it sounds like. When you get lethargic, or even comatose, from eating too much good food.
"Man, we were gonna go to the show, but we got foodtarded off of fried chicken and mac 'n' cheese at Chris's, and just wound up lying around, watching 'Dodgeball.'"
A person with common and obvious taste in food.
I love the Cheesecake Factory. It keeps all the foodtarded people away from my restaurants.