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1.
The state of one's hair after an exam
(due to endlessly running your fingers through your hair and leaning on it throughout the exam, resulting in a mop-like barnet and possibly slightly greasy)

person walks in with hair standing on end
-"woah whats with the hair??"

-"Just had History, i've got a serious case of exam hair"
by Meggae June 05, 2009