twelve o'clock
`` Genu-ine hell ! '' he roared , and plunged away to the office . For the remainder of the morning Abe went about his work in crestfallen silence , although Morris , after subjecting Geigermann 's order to a little cost bookkeeping on the back of an envelope broke once more into a cheerful whistle . `` Well , Abe , '' he said at twelve o'clock , `` what is _ vorbei _ is _ vorbei _ . It ai n't no use crying over sour milk , so I am going out to lunch . '' `` What d'ye mean , sour milk , Mawruss ? '' Abe retorted .