We adapt to crime, pack a van with four guns at a time
With the sliding door, fuck is up?
They’re so used to crime that they have adapted to that lifestyle. Now they don’t go anywhere without a few guns on them.
Also, the van with the sliding door is a returning motif throughout the whole album. Sliding doors make it easy for gangbangers to perform a drive-by. It is probably Kendrick’s parents' car which is even on the cover of the deluxe version of the CD.
To help improve the meaning of these lyrics, visit "M.A.A.d City" by Kendrick Lamar (Ft. MC Eiht) Lyrics and leave a comment on the lyrics box