Sha-sumthin Share definition Flag A name used to describe a black girl in the hood for whom you do not know her name Damn girl, Sha-sumthin you just another shizizzle in the hood. Sha-sumthin by Doubledllb May 31, 2006 0 0 Get merch Get the Sha-sumthin mug. Buy Now — $32.95 See more merch