A "Self five" is a habit Barney Stinson has in which he high fives himself, usually above his head. Before the "Self five," he declares he is going to do it with the saying "Self five." Barney does this as a type of reward for saying or doing something awesome and/or legendary. It is a symbol for confidence and of course, awesomeness which exists in Barney completely. Usually when he does this habit he is surrounded by people who are most of the time his gang, which includes Ted Mosby, Marshall Eriksen, Lily Aldrin, and Robin Scherbatsky.