My confidence is up, this stage is my pedestal
Eminem has even more confidence then ever before.
Pedestal is a supporting piece or base. So, the stage where he performs is the support system he has used in his life.
Also, pedestal is an idiom meaning to glorify and idolize. The stage has been his method for the fans to glorify and idolize him.
To help improve the meaning of these lyrics, visit "Drop the World" by Lil Wayne (Ft. Eminem) Lyrics and leave a comment on the lyrics box