usy withdrawal

When you get home from a USY even (conventions, dances, trips etc...) and you are really overwelmingly sad that the event is over and you look back at you time and was like woah i did some crazy shit at USY and you miss all your friends and you start counting down the days till the next event

also known as PCDS, or "post convention depression syndrome"

when you come back from a USY convention feeling all sad and missing your friends.