Typically a Female, who always plays the victim or marytr card when something goes wrong in her life and will not accept blame for the situation or own up to their own actions. Often used to describe a large mentality of women (and some men) in the midwest, however does occur world wide.
She says she is 200 pounds because he stresses her out, and therefore she eats. It's his fault she is fat, what a snow cow" or "She won't get a job, now that they are divorced because she says he 'held her back from her goals' all those years, when in reality, she kept getting pregnant. I can't believe he ever married such a snow cow."