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".
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
I got a first-class fail