When you feel like you are hungover, but really you are just wiped out from partying so hard last night.
by AGilly January 27, 2010
Get the Party Hangovermug. 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.
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 January 11, 2008
Get the slumber party hangovermug.