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To be unbelievably tired beyond belief. When you have been physically and mentally drained that even the idea of sleep requires too much effort.
"I have had two exams today, then went to the park and played football for an hour and a half, then revised for two hours, and now I've only just got back from the gym"

"Duuude, you must be Shitsticked!"
by oldham92 June 02, 2009