What is a Fist Bump
A fist bump is also known as a fist pound, knuckle bump or a dap. It is done by making a fist and lightly "bumping" another person's fist, knuckle-to-knuckle.TIME: A Brief History of the Fist Bump.
A fist bump is sometimes used in the place of a hand shake to show respect. It is also used when trying to avoid germs on the other person's hand.TIME: A Brief History of the Fist Bump