I used to roll up, this is a hold up, ain’t nothing funny
Stop smiling, be still, don’t nothing move but the money
Explains how he used to pull heists and command the hostages to not move an inch; only the money is leaving.
The second of the two lines is a double entendre: Rakim is referring to the fact that he has zero chance for social mobility in this situation. While the money will ‘move’ (change hands), and he will become nominally richer, he will not acquire any of the social benefits of having it because it has been acquired illegitimately.
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