Heat grazed the baby yo
Foul shit made a welfare mom crazy
More bodies drop by the ratio

from Nas – Blood, New Version Lyrics on Rap Genius

Meaning

While guns kill the in hood, in this case “foul shit” (impure drugs) makes “more bodies drop by the razor” (razor referring to either suicide or the literal use of a razor for drug abuse) in comparison. One such “welfare mom” (hood rat) went “crazy” (losing control of life due to drug addiction) and is counted among them. Either way, Nas paints a grimy scene about the truth of hood life.

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