As I groove in my '4 on D's

from Dr. Dre – Let Me Ride Lyrics on Rap Genius

Meaning

He’s talking about his classic G low-rider, the 1964 Chevy Impala.
[Bad image! Try pasting a different image link!]

To help improve the meaning of these lyrics, visit “Let Me Ride” by Dr. Dre Lyrics and leave a comment on the lyrics box