first day hangover
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!
Timmy: Nah man, I gotta go home and take a nap and get rid of this first day hangover!