Definitions by K.C.J.

First-class fail 

A first-class fail is a euphemistic term for failing a paper with the highest possible failure grade.

If you needed a C- to pass, for example, then receiving a D+ would count as a "first-class fail".

How did you go on your biology assignment?
I got a first-class fail

First-class fail by K.C.J. May 3, 2010