I got my thing cocked

from Rick Ross (Ft. Gucci Mane) – MC Hammer Lyrics on Rap Genius

Meaning

Has his gun ready to shoot. Also a reference to a previous line “My Top Back, Im circumcised"
The penis gets circumsised, and cock is a nickname for the penis. So his gun is COCKed.

To help improve the quality of the lyrics, visit “MC Hammer” by Rick Ross (Ft. Gucci Mane) Lyrics and leave a suggestion at the bottom of the page