ابحث عن أية كلمة، مثل: fleek
 
1.
An Incestuos lesbian. Two sisters that have sex.
Twins that have sex with eachother in a porn are incestbians.
بواسطة Amanda Ferguson سبتمبر 24, 2007
 
2.
Two related females participating in sexual acts together.
Isn't that her sister? Yes, they are incestbians.
بواسطة Merideth Factsterburny اكتوبر 25, 2010
 
3.
Noun,

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!
بواسطة Gloria Fanderbuilt اكتوبر 27, 2010