What does "morocha" mean?
(Del quechua muruch'u, variedad de maíz muy duro).
- adj. coloq. Am. Dicho de una persona: Robusta y bien conservada.
Morocha / Morocho is an adjective that specifically describes people who have both dark skin and dark hair. Particularly in Argentina, the adjective makes a contrast with people who have a whiter skin tone (ie. from a more European bloodline).
morocho/morocha means dark it is used as an adjective for persons . it is mainly used in south america.
Given the context you mentioned, I agree with the answers given thus far. You should know, however, that in some Latin American countries "morocho(a)" means "twin".