A-yo Iron, these niggas portraying
But haven't been paying
There are two explanations here
1)This is referring to a situation where it appears that someone is acting like they are going to pay however this act or portraying is a false pretence. The context is layered, it refers to drugs and the music industry
2) Specifically he’s referring to rappers that portray the drug/street lifestyle without having lived it. It follows on from the previous line.
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