Incesbian

A lesbian who only licks her sister's twat.

That big dike is an incesbian.

by cm69 February 25, 2011

Incesbian

Incest/Lesbianism. The term is generally used jokingly.

Girl to sister: Aw, I love you! *Pecks sister's lips*

Sister to girl: I love you, too!

Bystander: Fucking incesbians...

by Carla Toolie August 26, 2010

incesbian

a female who participates in a sexual relationship with another female relative (sister, cousin).

no one in the family quite knew how to talk about the sisters incesbian relationship.

by robin lillian July 16, 2006