This is the way it goes, this is the way we roll
Cause every day we on our pesos

from A$AP Rocky – Peso Lyrics on Rap Genius

Meaning

Pe·so/ˈpāsō/ Noun: The basic monetary unit of Mexico.
The clique, A$AP MOB, is always on their grind getting their paper (in this case “peso”)

That’s just the way A$AP rolls.

Also, it may be “‘cause everyday we honor Peso” as a reference to Rocky’s dead friend, Peso.

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