The feeling you get when you wake up Saturday morning after getting no sleep during the week.

A weeks worth of hard work and late nights all catches up to Saturday morning no matter how late you sleep.
"After a week of teaching those little fuckers called '9th graders' I slept in today only to find myself Saturday Tired!!"

"I spent my whole week studying for finals and now I'm all Saturday Tired!"
by JadeWalking October 27, 2012
Get the Saturday Tired mug.