You mad as hell you ain't CC'ed
CC or Carbon Copy is an option found in sending an e-mail that will send a carbon copy of the e-mail to another person. So since they weren’t CC'ed, they weren’t able to be a part of Big Sean’s success story and receive some money as well.
This is also a metaphor of Big Sean’s life before he got a record deal with G.O.O.D. Music. People weren’t willing to co-sign or even support him then, but now that he’s finally famous he’s getting more recognition and more praise now than ever now as a famous rapper while the same people who weren’t on the same boat as him are mad wishing they were.
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