Green cheese

There are other instances in which the word "green" is used to mean "new", such as in the term "greenhorn", which refers to an inexperienced person.

)[2] John Maynard Keynes made a reference comparing a green cheese to the moon in his 1936 book The General Theory of Employment, Interest and Money.

The exact meaning of the sentence is debated, but the equating of the moon with a green cheese is clear:[3] Unemployment develops, that is to say, because people want the moon; — men cannot be employed when the object of desire (i.e. money) is something which cannot be produced and the demand for which cannot be readily choked off.

[5] The following West Frisian language shibboleth makes reference to it: "Bûter en brea en griene tsiis, hwa't dat net sizze kin is gjin oprjuchte Frys."

meaning "Butter and bread and green cheese, who can't say that is no true Frisian.