When you feel like you are hungover, but really you are just wiped out from partying so hard last night.
Hey, you look stoned... are you hungover?
Naw just a major party hangover.
by AGilly January 27, 2010
Get the Party Hangover mug.
When having a sleepover you stay up all night, and the next day you are extremely exhusted and lathergic.
Winston: You look like a zombie, what time did you fall asleep?
Oscar: James was over last night and we didnt get to bed to 5.
Winston: You might want to get some sleep.
Oscar: Yea I know, it's from the slumber party hangover.
by Nichkolas December 29, 2007
Get the slumber party hangover mug.