that ain't hay

That ain't hay.

Inf. That is not a small amount of money. (The highly informal word ain't is built into the expression.) I paid forty dollars for it, and that ain't hay! Bob lost his wallet with $200 in itand that ain't hay.
See also: hay, that

that ain't hay

That's a great deal, especially of money; also, that's important. For example, He's making ten thousand a month, and that ain't hay. Originally used to describe a sum of money that is large, this phrase was later extended to other circumstances, as in She married a titled lord, and that ain't hay. [Colloquial; first half of 1900s]
See also: hay, that
References in periodicals archive ?
Tantasqua Regional High School has won 48 straight basketball games since the start of the 2006-2007 season and that ain't hay.
Now the ``big bull'' is hungry to feed at the public trough -- big time, and that ain't hay.
Sam Katz came within 7000 votes of John Street, and as we used to say out West, that ain't hay.