cold day in Hell

Noun

Meaning

cold day in Hell (plural cold days in Hell)

(idiomatic, slang) The time of occurrence of an event that will never happen.
It'll be a cold day in hell when that happens.

Source: en.wiktionary.org

Related terms

when Hell freezes over snowball's chance in hell

Close letter words and terms

cold cuts emporium cold dark matter cold day in a hell cold days cold deck cold drink money