I move immune in between 'em because I'm diplomatic

from Delusional Thomas (Ft. Bill & Earl Sweatshirt) – Bill Lyrics on Rap Genius

Meaning

Wordplay that references The Diplomats (Dipset} “Diplomatic Immunity album.

But for further clarification, diplomatic immunity is a policy held between governments which ensures that diplomats are granted safe passage and are not held susceptible to lawsuits and/or prosecution in their host country. Same concept applies to his main and side chicks.

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