Top Definition
An Incestuos lesbian. Two sisters that have sex.
Twins that have sex with eachother in a porn are incestbians.
#lesbian #incest #twins #porn #sisters #nasty
von Amanda Ferguson 24. September 2007
Two related females participating in sexual acts together.
Isn't that her sister? Yes, they are incestbians.
#lesbian #incest #sex #same gender #fuck #screw
von Merideth Factsterburny 25. Oktober 2010
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!
#incest #lesbian #gay #sex #fuck #women #girls #love
von Gloria Fanderbuilt 27. Oktober 2010
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