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1.
The condition suffered by students during the week of finals. Common symptoms usually include chronic headache, narcolepsy, and cravings for cheap mexican food.
"Joey can't seem to keep his eyes open, those tests must have given him some bad finalitis."
by Garexus May 17, 2007
 
2.
A disease that eats away your brain at the end of finals week and will not allow you to study for your last day of finals. A disease similar to senioritis, but more advanced
You studying for your last final tonight?
>F*ck no I got finalitis...I'm just gonna wing it tomorrow
by Duke_0302 May 05, 2010