the day immediately following Thirsty Thursday
, when things seem "foggy" due to being slightly hung over from the previous evening.
I almost didn't make it to work the morning after that big bash down at the union hall, what a Foggy Friday that was!
drunk, intoxicated, etc. (from "foam", the bubbly substance on the surface of beer when poured in a glass, which is the most potent part of the drink).
"All of us got majorly foamed at Ulrich's stag party, which happened to fall on a thirsty Thursday