An
African-American person who is
usually very fond of (or usually pretends to act like)
Hispanics, South Asians, or those of any other race with tanned color skin and its customs.
She is
African-American, whereas her husband is from India. So she is likely to be a Reese's Cup.
That
black man is speaking a lot of Spanish and he is dating a
Hispanic girl. Thus, he is acting like a reese's cup.