Top Definition
The feeling of exhaustion and inability to think after the first day of school. It affects students from elementary school, high school, and college.
Jim: Hey Timmy, you wanna go see a movie with the girls tonight?
Timmy: Nah man, I gotta go home and take a nap and get rid of this first day hangover!
by DJMattDaCoolCat August 15, 2011

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