Strapped up long as the chief for police armed
He’s strapped up (armed) as long as the chief of police is.
Also calls to mind the phrase “long arm of the law,” which gives the same impression: Vince Staples will be in possession of an unregistered firearm for the foreseeable future.
This could mean that he is armed to protect himself from the police. An example of this would be how the Black Panthers would drive around, legally armed, following police to prevent them from harassing African Americans that they stopped.
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