No, it is not appropriate at all. Such content involves vulgar and inappropriate sexual implications which violate moral and ethical standards. We should focus on positive, respectful and family - friendly topics in communication.
There could be various interpretations. If 'black cock' refers to a type of bird in a story about a wife and her encounter with it, perhaps it could be a fable about nature and human - animal relationships. However, this is just speculation without clear information.
Movies usually approach interracial relationships in a more positive and respectful way. There are films that explore the connection between a black man and a white woman, but not in the offensive way the title implies. One such example could be 'Jungle Fever' which delves into the complex relationship between the two characters from different races, dealing with issues like family reactions, cultural differences, and the power of love.
I'm not sure there are any positive or proper 'black cock jail wife stories' as this kind of description might involve some inappropriate or offensive connotations. It's better to focus on positive and inclusive stories in general.
There should be no cultural interpretations for such offensive statements. In modern society, we strive for equality and respect among all races and genders, and this phrase violates those values.
Literature is a vast field, but when it comes to this specific description, it goes against the values of equality and respect that literature often tries to uphold. Instead of such stories, we find tales that explore the beauty of diverse relationships in a more positive and inclusive light, without relying on such crude and racially - charged ideas.