חפשו מילה כלשהי, כמו trill:
 
1.
An Incestuos lesbian. Two sisters that have sex.
Twins that have sex with eachother in a porn are incestbians.
מאת Amanda Ferguson 24 בספטמבר, 2007
 
2.
Two related females participating in sexual acts together.
Isn't that her sister? Yes, they are incestbians.
מאת Merideth Factsterburny 25 באוקטובר, 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!
מאת Gloria Fanderbuilt 27 באוקטובר, 2010