Christina Ag, she turned into a slut-piece
For her record to sell, she let out all of her buttcheeks
from Mad Skillz – The Rap Up Lyrics on Rap Genius
Meaning
In 2002, this:

turned into this:

Crazy, right?
To help improve the meaning of these lyrics, visit "The Rap Up" by Mad Skillz Lyrics and leave a comment on the lyrics box