C.B.

From Rap Dictionary

noun

C.B.

1. See cock block.
2. Cell block.
3. Short for "civil band", communication using radiowaves, like trucker radio. But you have a good chance, if you take off the light blue pants, and call your boys on the CB -- 69 Boyz featuring K-Knock (Five O, Five O (Here They Come)) [1]
4. Casa Blanca

artist

C.B.

1. Short for Charli Baltimore. I-N-C and C.B. cock-blockin' ya'll, Chuck -- Charli Baltimore & Ashanti (No One Does it Better) [2]
2. Short for Crunchy Black. everybody know The Game so The Game is cool, everybody know C.B. cause C.B. act a fool -- Project Pat featuring Crunchy Black (Ski Mask) [3]
3. Short for Cool Breeze.
4. Short for Chalie Boy. C.B. pass the nine, and let me hit 'em in they spine -- Chalie Boy & Tite (Get Em Up) [4]