A greasy protein breakfast, no carbs and a lot of water. And three Advil.
Going back to sleep for 3-4 hours also doesn’t hurt.
We had a rule at work. If you go out the night before and tie one on, you could not call out sick. You had to come in to work and do the walk of shame. Then you can leave.
Koreans make a legitimate hangover remedy. It is a drink called “Condition”. It comes in a small green bottle and cost $5 or more (at least it cost that in the 1990’s when I lived in Korea). It works wonders. The secret is to drink a bottle while you are drinking alcohol. I don’t know what the secret is, but a key ingredient is tuarine. This is how Korean businessmen are somehow able to drink heavily during the week but still get to work the next day.
Fruit juice and vitamin B1, rinse, repeat.