give dap

slang To grasp someone's hand by the palm with one's thumb hooked around theirs, before sliding each other's hands apart until grasping each other's fingertips. A noun or pronoun can be used between "give" and "dap." We gave dap to John after he sank the game-winning shot from the three-point line. My grandma is the coolest. She always gives my friends dap whenever she sees them. I went to shake Chris's hand like normal as he came in to give dap, which made for a slightly awkward exchange.