fob dotのようなどんな単語でも探してください。
An Incestuos lesbian. Two sisters that have sex.
Twins that have sex with eachother in a porn are incestbians.
Amanda Fergusonによって 2007年09月24日(月)
Two related females participating in sexual acts together.
Isn't that her sister? Yes, they are incestbians.
Merideth Factsterburnyによって 2010年10月25日(月)

1) 2 or more women in an incestuous relationship.

2) A lesbian who is attracted to members of her own family.
That girl hangs out with her sister too much, I swear, she's such an Incestbian!
Gloria Fanderbuiltによって 2010年10月27日(水)