Top definition
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”
by ~Spunkyanonymity~ November 06, 2019
2
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.
by SavageSalad January 30, 2011