We're working, amigo.

from Rockstar Games – Grand Theft Auto V Gameplay Video on Rap Genius

Meaning

It’s actually Trevor who says this line. He responds to Franklin’s question as he stands up to point to the board that lays out the details of the heist plan.

To help improve the meaning of these lyrics, visit “Grand Theft Auto V Gameplay Video” by Rockstar Games and leave a comment on the lyrics box