1. Knock knock. Who’s there? Cow says. Cow says who? No, a cow says mooooo! 2. Knock knock. Who’s there? A little old lady. A little old lady who? All this time, I had no idea you could yodel. 3. Knock knock. Who’s there? Europe. Europe who? No I’m not! Also Read World Women’s Day: Journey From Struggle To Celebration! What about Fest-shoot? This Holi, color your memories with these tips Epic Girlfriend, Boyfriend Jokes