Say you had a dream about an earthquake (Randomly), about an hour after there was an actual earthquake, but you didn't know there was one until the next day when you wake up. This would be a Postmonition. You didn't dream something was gonna happen like a premonition.
In the most common context in the United States, the word portemonnaie is used to refer to an extremely large, feminine, extravagant, and overly gilded wallet in which a male uses. Most can fit keys and even cell phones comfortably inside of them. However, use of the word "portemonnaie" is always in a teasing or insulting context.