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 31, 2011
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 07, 2019