Floor of the basement

from The Roots – Quills Lyrics on Rap Genius

Meaning

This could be a metaphor: the floor of the basement= the bottom of the bottom. ‘Thought spits from the lowest of lows, because that’s who he represents.

Also, could be a reference to an old hang out of the crew’s. “the basement”, “the never never tunnels”. Mentioned sparsely throughout BlackThought’s career, but specifically in the song Pass the Popcorn off the album Organix.
http://rapgenius.com/The-roots-pass-the-popcorn-lyrics

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