banking
n.— «Cigarettes are like gold dust. Custody staff are not allowed to conduct internal examinations and the preferred method of eluding confiscation is “banking.”» —“How I spent a day behind bars” by Lucy Adams The Herald (Glasgow, Scotland) Dec. 5, 2007. (source: Double-Tongued Dictionary)
Further reading
A magnificent new book celebrates the richness and diversity of 450 years of written and spoken English in what is now the United States. It’s called The People’s Tongue, and it’s a sumptuous collection of essays, letters, poems...
When Ana first arrived in the United States from Hungary, she was taken aback when someone greeted her with the idiomatic expression How’s it hanging?. She was also puzzled by the expression trim the tree meaning to “adorn a Christmas...