Muffcabage is an expression originating from new jersey. Used by house wives in jersey to insult one another, Muffcabage has many definitions. 1. A woman's vagina that is very big. 2 A retard or stupid person. 3 A woman who over tans herself. loves sex. digs guys who where Ed harvy and get their hair done in a slut like way.
An insult, made up by the people of New Jersey. It is calling you a dirty vagina. A muff is a vagina and cabbage is..cabbage. Therefore, it is either a dirty vagina or a vagina with cabbage in it.