You can get two marks for writing f-off on a GCSE exam paper.
You could get three if you add an exclamation mark.
Well, you do if you’re a top examiner. But you don’t if you are the body he works for, apparently.
If only I’d known, or had been brave enough to try myself.
I could have boosted my pitiful Economics A-level grade by suggesting to the examiners what they could do with the law of diminishing marginal returns…sideways, with a !