This is a sexual manuver when the man is doing the woman doggy style. First, he dips his dick in a container of mustard, and then proceeds to put his penis back into the woman. As the man is about to finish, he pulls out and he has to cum on a plate of pasta, and the woman then eats the pasta.
Sasha: Yo, do you know my sister, Masha?
Hogie: Yeah, I gave her the Dirty Moldovan