I'm sure you've heard it in the schoolyard when you were growing up. One kid says to another one, "Go ahead, take the first punch." That's fine when you're talking about 110 lb tweens, but once you hit adulthood you should realize that most fights only last as long as one punch. Check out what happens to this grown man after he dares another man to "take the first punch" in this clip from World's Dumbest.

