Green’s Dictionary of Slang

proslang adj.

[pro adj. + SE slang]

(US black) first-rate, esp. in the context of lyrics or speech.

[US]Ebonics Primer at www.dolemite.com 🌐 proslang Definition: [...] someone or something [that] sounds good Example: Yo Slick, that new album you jus’ released is proslang!