cold day in Hell in French
cold day in Hell in French
aux calendes grecques
(idiomatic, slang) The time of occurrence of an event that will never happen.
quand les poules auront des dents
(idiomatic, slang) The time of occurrence of an event that will never happen.
semaine des quatre jeudis
(idiomatic, slang) The time of occurrence of an event that will never happen.
à la Saint-Glinglin
(idiomatic, slang) The time of occurrence of an event that will never happen.