An Incestuos lesbian. Two sisters that have sex.
Twins that have sex with eachother in a porn are incestbians.
od uživatele Amanda Ferguson 24. Září 2007
Two related females participating in sexual acts together.
Isn't that her sister? Yes, they are incestbians.
od uživatele Merideth Factsterburny 25. Říjen 2010