Knock-Knock!
A Slovene by birth, my father-in-law isn't very familiar with American jokes. So he was a little taken aback when his Mujo and Haso joke was followed by a: "Knock-knock!" He paused, thought a little bit and then replied with a hearty grin: "Come in!" The house erupted in laughter. "No, Dad, you're supposed to say "who's there?" one of his daughters said. The joke took on a life of its own because it was indicative of the difference between the Yugoslavian culture he grew up in and the American culture he was celebrating Christmas in. From the meter man to the next door neighbor, in small-town Croatia it doesn't matter who you are - guests are always invited in for coffee. I learned this first-hand during my first year in Croatia. Even if you don't call ahead of time, your instant host will invite you in as if they'd been expecting you for a week. Then they'll get you out of shoes and into slippers faster t...