when Hell freezes over in Russian
when Hell freezes over in Russian
когда́ рак на горе́ сви́стнет
(idiom, slang, informal, hyperbolic) Never; not in this lifetime or a time in the unforeseeably distant future; not a chance.
по́сле до́ждичка в четве́рг
(idiom, slang, informal, hyperbolic) Never; not in this lifetime or a time in the unforeseeably distant future; not a chance.