Worst hangover I ever had, I was 20 and spent an entire May day working with my brother scraping and painting a small shed, and replacing the shingles. Took us about ten hours give or take. We had an occasional beer but nothing crazy.
Once done we each polished off about ten Labatt 50s while we watched hockey, then went out to meet friends. Got home at about 2 am.
Woke up the next day like someone had driven a spike through my head and was drumming the ends that stuck out with steel rods.
I was screwed for about 36 hours. Realized as I was recovering that I hadn’t had a drop of water all that day, just stopped working to sip on a cold beer every once in a while.