Travelin' the distance, stayin' off the white line
Alphabet boys out prayin' what they might find
By “white line”, Pusha literally means that they stay on the highway when they’re transporting cocaine.
He might also mean that he and his dopeboys don’t get high off their own supply of cocaine.
According to Urban Dictionary, alphabet boys are agents from three-letter acronymed agencies: the FBI, CIA, DHS (Homeland Security), etc. Part of their duty is to go after drug traffickers.
Never get high on your own supply
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