Define Hungover Breakfast Meaning

The morning after a party where everyone was shitshowed the evening before... you and your friends drag yourselves off various floors, couches, and beds, and after you all have those "I shouldn't have smoked that because now I'm drunk again" cigarettes, you all head to that little restaurant that's only a blessed five minutes away. Really, none of you are capable of traveling any farther than that anyways. While most of you sit with your heads in your hands, one of you is too hungover to eat, another thinks it's a good idea to eat a cheeseburger and mashed potatoes at 10:30 in the morning, and the waitress (the same one you see EVERY Sunday) has realized by this point that she might as well just leave pitchers of water on the table rather than having to keep coming back to perform refills for your incoherent asses (clearly, she has seen your group for the last 100+ Sundays!). Inevitably, the conversation at the table doesn't really make much sense but is completely hilarious, and after you've left and it's much later in the day, the whole ordeal seems like it happened yesterday, rather than just this morning.