When you might be under-age for drinking, or are against drinking when hung-over, so you eat all the food you can after trying to get over that breakup when they never really loved you.
And you become fat.
A state where someone has had a lot of sex one day and is still tired from the sex the next day. Often accompanied by not thinking as clearly as one would normally.
"Dude i'm so sexually hungover, i'm still exhausted from the great sex last night"
The few days after Halloween during which you've eating so much candy and sweets that you constantly have the feeling of vomit and need to take a shit.