Post-School Syndrome or PSS is when someone who was good looking in school isn't anymore.
"Dude, have you seen Mary recently?"
"Yeah, she totally has post school syndrome"
by Dave777 January 2, 2008
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The sinking feeling you get on the last day of summer vacation.
"Hey man you look tired."

"Ya I couldn't fall asleep last night due to post traumatic school syndrome."
by ~CS August 24, 2008
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