Sankt-Nimmerleins-Tag

Etymology
From. Compare an equivalent in, further also ,.

Noun

 * 1) first of never, cold day in Hell
 * 2)  when pigs fly, when Hell freezes over
 * 3)  until the cows come home, until doomsday
 * 1)  until the cows come home, until doomsday
 * 1)  until the cows come home, until doomsday