spinach
1. dated slang Marijuana. Hey pal, you know where I can buy a bit of spinach? He was caught by the police with a pound of spinach in his car.
2. dated slang Money. (A reference to the green-colored paper currency used in the United States.) Primarily heard in US. The truck is carrying a lot of spinach, but it's going to be heavily guarded. Sorry man, ain't got no spinach these days.