Before lebowski, there was perle mesta ambassador mesta, that is. In 1949, a belgian barman whipped this up in honor of the visiting us ambassador to luxembourg, cementing coffee liqueurs place among the pantheon of liqueurs you can put in vodka. If you have one the zillions of flavors of regrettable dessert flavors available these days, try a half-and-half blend of regular vodka with the flavored vodka, and make up your own goofy something-or-other russian name for it.