rough-and-ready Exhibiting vigor and vitality which, though unrefined and perhaps indelicate, is appropriate for dealing with a given situation; crudely efficient; rough in manner, but prompt and effective in action.
1 The exact answer to the question âHow long does an unopened package of sour cream last?â depends to a large extent on storage conditions â to maximize the shelf life of sour cream, keep it refrigerated at all times.  How long does unopened sour cream last after the sell-by date? Sour cream will generally keep for one to two weeks after the sell-by date on the package, assuming it has been continuously refrigerated; be sure that the temperature of your refrigerator remains at or below 40Â° Fahrenheit at all times.
The manufacturer claims Baileys Irish Cream has a shelf life of 24 months and guarantees its taste for two years from the day it was made-opened or unopened, stored in a refrigerator or not, when stored away from direct sunlight at temperatures between 0 and 25 Â°C (32 and 77 Â°F).he alcohol and cream, together with some Irish whiskey from various distilleries, are homogenized to form an emulsion with the aid of an emulsifier containing refined vegetable oil. This process prevents separation of the alcohol and cream during storage.