when hell freezes over
Also found in: Acronyms.
when hell freezes over
Never; at no time. Bob, our family will relinquish control of this company to you when hell freezes over. It'll be when hell freezes over before that clown is allowed to run this great state of ours!
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
when ˈhell freezes over
(informal) if you say something will happen when hell freezes over, you mean that you think it will never happen: ‘They might give you a pay rise soon.’ ‘Yeah, right. When hell freezes over!’Farlex Partner Idioms Dictionary © Farlex 2017