It's not cricket to cheat at cards.
It's not cricket.
It's not cricket to kick a man when he's down.
If any action in other spheres of life, whether in business, politics or everyday interaction does not meet these standards, particularly of honesty and fairness, it is described as' not cricket '.
Another reads: "There is no such thing as an englishmaN I mean king Harold got it smack bang center in the EYE. its just not cricket anymore."