1 definition by Dave Suchanek

Top Definition
An academic and physical malaise that afflicts high school seniors that begins in May and lasts until graduation once they have been accepted into college or univeristy.
Grade 12 fatigue, academic illness, school sickness high school blues
Jennifer's senioritis was so advanced that she was never able to attend any morning classes in the spring of 2008 as she slept away her mornings.
by Dave Suchanek May 22, 2008

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