The term utilized (including quotes) to refer to a lesbian's significant other when saidlesbian is seeking to keep their gay sexual orientation unknown.
Elizabeth says she is bringing her "sister" on the company trip. No one is buying that dyke's bullsh#t.
When a guy/ girl you like says "you are like my sister" or "you are like the little sister I've never had" or "I love you like a sis" It is worse than being friend zoned, it's all the way past friends to family. You probably have a 2% chance of getting out of the sister zone and having a relationship with that person.
I thought we were on a date, but he sister zoned me twice. I guess we were just hanging out.
It is two persons of the opposite sex who are always there for each other. They can not even be related but trust each other anyways as if they were 'brother and sister' These 2 persons can never lose faith in each other because they will need each other. In one way or another they will always love each other no matter what, and no one can separate them.