Phone rang it was Ghost he said "Kiss the greatest rapper... Goodbye!"

from Lupe Fiasco – Peace of Paper/Cup of Jayzus Lyrics on Rap Genius

Meaning

“Ghost” is a nickname of Styles P, groupmate of Jadakiss. The line describes a phone call in which SP is calling Jadakiss is the greatest rapper.

Jada has named himself Top 5 Dead or Alive, and has an album named Kiss Tha Game Goodbye

Another way of looking at this line is Lupe is saying “Kiss the greatest rapper goodbye” as in kiss the concept of there being a G.O.A.T. goodbye, it’s gone(“Ghost”).

To help improve the meaning of these lyrics, visit “Peace of Paper/Cup of Jayzus” by Lupe Fiasco Lyrics and leave a comment on the lyrics box