What does "Uff Da!" mean? It's an expression of Scandinavian dismay that has made its way into popular culture. On our Uff Da Socks, those powerfully frustrated words are backed with a Norwegian flag. To use it in a sentence, "Uff Da! I dropped my lutefisk in the fjord!" Perfect present for frustrated Nords. These are men’s dress socks made of a soft combed cotton blend.