A fork of Rural Dictionary
a female who participates in a sexual relationship with another female relative (sister, cousin).
no one in the family quite knew how to talk about the sisters incesbian relationship.
Incest/Lesbianism. The term is generally used jokingly.
Girl to sister: Aw, I love you! *Pecks sister's lips*
Sister to girl: I love you, too!
Bystander: Fucking incesbians...