Nick.
1. Take yourself down to the nearest pub.
2. Drink copious amounts of real ale. And brandy.
3. Assuming you can still walk, take yourself to the nearest curry house and have a chicken phall. And more brandy.
4. Stagger home and collapse on the bed fully clothed.
5. Wake up (possibly) in the morning feeling fine.
6. If still cold, repeat process.
Seeemples.