I got the flow, I'm trying to see the roof
He’s got the flow (slang for raps), pronounced like floor which he may also have been intending as a way for this line to be heard:
The floor could symbolise where he began and is also the foundation of a building or, in this case the basics or fundamentals of rap.
Wayne’s got them down pat so now he’s aiming to get to the “roof” (top) of the rap game.
Recently, Wayne has decided that even the roof is not high enough for him; his latest mixtape was called No Ceilings
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