Hangout Hangover
When an introvert maxes out their social battery the night before and is still recovering in the morning.
“Dude after spending all last night with you guys I had such a hangout hangover that I slept through my first two classes”
Hangout-hangover
1: The act of waking up the next morning hungover after hanging out with people he previous night and not knowing how you got drunk.
1: Dude, I'm having a hangout-hangover right now and i have no clue how it happened.