An Incestuos lesbian. Two sisters that have sex.
Twins that have sex with eachother in a porn are incestbians.
di Amanda Ferguson 24 settembre 2007
Can you define these popular missing words?
Two related females participating in sexual acts together.
Isn't that her sister? Yes, they are incestbians.
di Merideth Factsterburny 25 ottobre 2010