That is a large sum; that is not insignificant •Chopped liver is very commonly used analogously; cornflakes and zucchini are also found, but rarely: And what they pay me in addition ain't hay(1943+)
Idioms and Phrases with that ain't hay
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. [ ; first half of 1900s ]