derived from or meaning virginal, tease and/or freeze. a new age term that suggests a girl/chick/lady/woman/granny is voluntarily avoiding penetration of the membrane within the vagina from an external male force/jedi mind trick. Women who have broken their hymens with tampons are still considered Sally Savers.
Bob: Yo Bill dont even try to get with Jill. Shes the biggest fucking Sally Saver here.