rice-and-beans, adj. — Green’s Dictionary of Slang

rice-and-beans adj.

[SE/rice-and-bean adj.; the poverty of the foodstuff and/or racist stereotyping]

(US)

1. second-rate, impoverished, unimpressive.

1975

E. Torres Carlito’s Way 96: You gonna come in here with a rice-and-beans shakedown?

2. Puerto Rican.

1979

E. Torres After Hours 6: [H]e got me transferred to Lewisburg [prison]. Plenty rice-and-beans pistoleros there.