when Hell freezes over

adv

RareNot in standard dictionaries

1

Never; not in this lifetime or a time in the unforeseeably distant future; not a chance.

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Synonyms

at latter Lammas at no time in the reign of Queen Dick ne'er never never ever not while pussy's a cat on the second Tuesday of the week sine die when Hell freezes over when pigs fly when two Sundays come together when two Sundays meet

#informal#slang

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