Thinkin those messages is for themmm jus because they been gettin cc'ed
You know when you write an email message and you see the little text box that says CC:? CC means carbon copy. A carbon copy is a copy of something else already made. So Jay-Z is saying that all these other fake rappers are cc'ing or carbon copying him.
To help improve the meaning of these lyrics, visit “The Lost Carter IV Song” by Lil Wayne (Ft. Jay Z) Lyrics and leave a comment on the lyrics box