The man will stand facing away from the woman and she will be kneeling behind him.
She will then reach between his legs and grab a hold of his "utter" and pull it straight down and begin "milking" it.
Once she has been making milk for a while she may want to add the chocolate, by sticking her tongue in or around the man's anus and licking vigorously.
Guy 2: Why, you mow down some chinese food or some thing?
Guy 1: No your girl friend gives the BEST Chocolate Milks!