A Grade so bad you turn it over right when the teacher hands you your paper.

Upside down grades tend to happen only with people who have their identity in high academic achievement.
Guy #1: Hey, did you see what Michelle got on her math quiz?

Guy #2: No, she flipped it over really fast.

Guy #1: HaHa!! Looks like Miss 4.0 got an Upside down grade!
by Dr. Trevorkian November 29, 2009
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