I think he means that he did dirt to get money to buy food, either for his (rumored) children or others in his neighborhood…
eat a bowl of these…..nuts!
I think the lyric is supposed to be “fat house” not “frat house”
Left side=west coast
no he’s not…ice cubes=diamonds
To “go dumb” means to party, wile out, go crazy, or get fucked up
Tupac’s parents were active members of the Black Panther Party