When you don't go to school simply because you want to avoid APUSH. ie. Pretending to be sick to miss a test.
Jack: You weren't in school today. You missed the APUSH test.
Tom: Dude, I know. I wanted to miss it. I had APUSHitis.
Tom: Dude, I know. I wanted to miss it. I had APUSHitis.
by Woahhhhthereee. March 15, 2010