An addictive, yet satisfying drug that involves sugars, fats, carbohydrates and salt. Such foods that would be considered "Caloric Crack" would be sweets (cheesecake, doughnuts, brownies) or fatty foods (bacon or sausage).
n. A high-calorie, fatty meal which induces bloated feelings of guilt. Typically used referentially as the opposite of a High Colonic, or cleansing of the bowels and lower intestines.
Sounds tasty but I can't. I had a high caloric for lunch so I have to purge tonight instead. But if you want company, I'll eat your parsley and have a water with lemon in it.