Top Definition
The last night before your girlfriend gets her period.
It's derived of the night before spring/fall break after all the midterm exams when traditionally students party all night long.
she:"Hun, you better come over tonight, its midterm party!"
he:" it's only the second week of the semester, what do you mean?"
she:"it just is"
he:" Ooooo I get it, sure thing I'll be there at ten"
by mcmarsh February 17, 2010

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