1 definition by wnhogan

illness that generally strikes high school seniors; some symptoms of this illness include procrastination, laziness, excessive absences and tardies, skipping class, a change in normal attire, (ex. over use of extremely casual friday), senior pranks and multiple, multiple senior skip days. the only known cure for this bizarre illness is graduation.
why aren't you in school today?

bad case of senioritis..
by wnhogan December 10, 2008
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