I'm a Muslim on pork
In Islam, you are not allowed to eat pork as it is Haram (prohibited in the Quran). Therefore, this line means that Kendrick is different from other rappers since he doesn’t do what others do, such as smoking.
It can also be taken to mean that Kendrick is untouchable or has no regard for the law.
Maybe he’s not such a Good kid after all…
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