I stepped on the work like a stepchild

from 2 Chainz – Riot Lyrics on Rap Genius

Meaning

‘Work’, in this case, is cocaine. When coke has been ‘stepped on’ it means it’s been heavily cut and made less pure. Often times by adding Vitamin B or other, less expensive, powders. He cut cocaine before he sold it so as to make more money.

Rick Ross knows all about this, in “9 Piece” he asks:

Why you snorting that, that shit stepped on

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