Also FWIW Men's Health (Dec. 2007) had an article "The First Annual 20 Worst Foods in America" and listed the Outback Steakhouse Aussie Cheese Fries with Ranch Dressing the #1 worst food.
I actually found the magazine:
2,900 - Calories
182g - Fat
240g - Carbs
edit:
And the online article:
http://www.menshealth.com/20worst/worstfood.html