To "safety fail" is to intentionally fail or fail to complete a major assignment or test in a given class because (according to calculations) it is impossible for the assignment to cause one's overall grade in the class to drop by a letter or have any significant changes
Sarah: Hey what are did you write about on the essay for the final in English?

Chris: Haha I didn't...I took a nap. I had over a 100% in that class so it wouldn't have changed my grade. I might as well have safety failed it.
by lordvoldemort8989 April 27, 2011

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