Greeting with the hands

DAP

A friendly gesture often seen in hip-hop culture involving a light hand contact.

"Greeting with the hands" refers to a "dap," a casual handshake or fist bump often used as a friendly greeting. The clue plays on the physical action of the gesture, where hands are involved in the exchange. "Dap" is a slang term commonly used in African American culture and has become widely recognized in everyday language. The answer fits because it directly describes a hand-based greeting.