Slumber Party Syndrome

Last one up, that can't fall asleep due to excitement from socializing. Being hushed only encourages uncontrollable laughter.

Can Also Be: Phenomenon when you are still awake and uncontrollably laughing in a social situation where you're supposed to be asleep.

Same as: SlumberParty Syndrome

Blue was suffering from slumber party syndrome as she couldn't stop uncontrollably laughing hyena style, as everyone else is passed the fuck out.