5. The Slinger at Diner Grill
The signature dish at this 24-hour diner is not exactly safe for work. Gather a few friends and place an order for The Slinger (a massive plate of hash browns topped with two cheeseburger patties, a can of chili, and two fried eggs). You may never need to eat again.
1635 W. Irving Park Rd., Irving Park (773-248-2030)