new money

He became rich overnight and now he has a lot of new money.

意味（1）

Persons or families that have recently become wealthy.

They call me new money, say I have no class, I'm from the bottom, I came up too fast.

意味（2）

(Britain) The decimal monetary system used in the United Kingdom since 1971.

意味（3）

(humorous) The metric system of measurement, as opposed to the imperial system.

This recipe says add eight ounces of flour; what's that in new money?