street cred noun an admired-as-fashionable quality of being understood by or of urban youth UK Abbreviated from “street-credibility”.
Chris passes the old street-cred, local-lad-maks-good doodah with flying colours. — Rock’sBackPages, 18 August 1979
New Romantics [a youth fashion] were considered “street-cred” if they’d started out at the Blitz club or did drugs, like Visage or Culture Club. — Simon Napier-Bell, BlackVinylWhitePowder, p. 277, 2001