I got these cracker doctors saying, "yeah Bob, this nigger's sick"
The white doctors are going “Yeah Bob, this nigger’s sick”.
Possibly a reference to this line from B.o.B’s Odd Future diss:
This is saying that the white doctors are say to B.o.b that Tyler is sick (which in this case can be taken as a literal meaning, and as “fucking awesome.”)
To help improve the meaning of these lyrics, visit “Tron Cat” by Tyler The Creator Lyrics and leave a comment on the lyrics box