A writer for the magazine "American Speech" said he first saw the expression used in nineteen seventy-one.

VOA: special.2010.05.16

One of Washington's officers, Royall Taylor, used the expression in a play about Daniel Shay's rebellion.

VOA: special.2009.01.25

One of Washington's officers,Royall Taylor, used the expression in a play about Daniel Shay's rebellion.

VOA: special.2011.05.22

About one hundred years ago, greenhorn was a popular expression in the American west.

VOA: special.2010.05.23

The expression to be in hot water is one of them.

VOA: special.2009.05.10