n. Morbidly Obese. Overweight. A place that a person can go to by overeating and getting fat. A condition of being enourmous and rotund.
Origin is from the movie, What's Eating Gilbert Grape and the character who played Gilbert's obese mother, "Momma", Bonnie Grape played flawlessly by Darlene Cates .
"Yes, you may have another helping of cake and ice cream, but don't have so much that you go to Grapeville."
"If you don't stop eating at McDonalds everyday and go on a diet, you'll be in Grapeville in no time."
If a person is too overweight to sit in a single seat at a movie or in an airliner, then that person has definitely gone to Grapeville.
If the amusement park ride's locking-bar mechanism will not close and lock over an overweight person, then they have definitely gone to Grapeville.