Said fuck it pass me the J card what we happen to play

from Pro Era (Ft. Capital STEEZ, CJ Fly, Dirty Sanchez & Joey BADA$$) – Run or Fly Lyrics on Rap Genius

Meaning

-since he stuck in traffic he needs to listen to music, and the J card is basically a track-list but for cassettes.
J Card

-also some wordplay here J card also may mean joint paper in reference to his last line & he wants to know what are they about to smoke.

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