A black man and a white woman.
Not to be confused with the 'deeply unfashionable couple', i.e: white man and black women or white man and white women.
"Yo you seen LeTyrone's new bitch? She's a marshmallow."
"Oh I heard that's very fashionable this season."
When you spend a lot of money on the latest clothes and accessories, thinking it makes you look good, but actually you look like a cunt.
He's a bit fashionable, yeah.