Posted on April 29, 2017December 9, 2021 by Idioms Poster Until the cows freeze over Mix up of: Until hell freezes over, and Until the cows come home. From Susie Dent’s tweet here. More malaphors: 'you can't teach an old leopard new spots' , and 'until the cows freeze over'. Oh, and 'that's right up my cup of tea'.— Susie Dent (@susie_dent) April 25, 2017 Products and Mixed IdiomsBuy now: Until The Cows Freeze Over – Short-Sleeve Unisex T-Shirt Buy now: Until The Cows Freeze Over – Beanie Hat Buy now: Until The Cows Freeze Over – White Cap Buy now: Until The Cows Freeze Over – Enamel Mug Buy now: Until The Cows Freeze Over – Unisex T-Shirt Related IdiomsReal idiom: Til the cows come home Post navigationPrevious post: Putting both legs in one basketNext post: Money doesn’t grow on fish