www.urbandictionary.comSenioritis
"noun. A crippling disease that strikes high school seniors. Symptoms include: laziness, an over-excessive wearing of track pants, old athletic shirts, sweatpants, athletic shorts, and sweatshirts. Also features a lack of studying, repeated absences, and a generally dismissive attitude. The only known cure is a phenomenon known as Graduation.
Why didn't study for your math test Kuhns?"
Oh, who studies for a math test anyways. I got senioritis
Source: Joe C., Nov 11, 2004
Looks like I've had senioritis since elementary.