I stand for the misunderstood and those that been through the mud
The dirt, the swept under the rug

from Cocaine 80's – Kuro To Shiro Lyrics on Rap Genius

Meaning

he represents the poor, the social background he comes from.
But, also, he’s here to criticize the aspect of society that, like ‘the swept under the rug’, are kept secret because not convenient.

To help improve the meaning of these lyrics, visit “Kuro To Shiro” by Cocaine 80's Lyrics and leave a comment on the lyrics box