If coherent enough, drinking at least some water before passing out
Get up, take a shit, and take a long shower with a cold waterbottle within reach. Wash the trash feeling off you while hydrating
Drink a Berocca and eat some Vegemite toast. Get the salts and B vitamins back into you. Cheese on the Vegemite toast is even better
If at critical headache mass, skip the above and get KFC for breakfast at 2pm. Fuck pepsi, get solo, it is the curative beverage.
If attempting to work through it via hair of the dog, go back to step 2 but have some shower beers, then proceed to step 4 but order delivery KFC. Get drunk all Sunday then have a sickie Monday
Australian cures: