If someone says to you "give me five", do not look for five yuan for him in your wallet! The person is not asking for your money, but your hand.
In America, "give me five" or "give me the high five" is very popular. You can often see it in films and on TV. It means clapping (拍击) of each other's right hands together.
People sometimes do it when they celebrate something good. For example(例如), the football players will give the high fives to everyone around to celebrate when their team wins a game.
"Give me five" may come from the ancient Rome（古罗马）gestureof raising the right arm for the emperor（皇帝）. It shows that the person does not keep any sharp things in his hand. It is not dangerous for the emperor to meet this person.
Well, what are you waiting for? Try "give me five" with your friends.
