Green’s Dictionary of Slang

(US black) credit, acknowledgement, respect, self-awareness.

1989		Eble Campus Sl. Mar. 3: dap – support.
1995		L. Stavsky et al. A2Z 27/1: Mad daps to the homies from my hood.
2002		Emerson Damerson in Dusted Mag. at Trikont.com 🌐 Seasoned vipers such as Fats Waller and Cab Calloway pay dap to the dealer, as the party starts swingin’ and the panties drop as he darkens the door.