twincestual

Adjective

Positive twincestual

Comparative more twincestual

Superlative most twincestual

1. Twincestual is the quality of being romantically or sexually attracted to one's twin.

   That twincestual is always with her sister.

Noun

Singular twincestual

Plural twincestuals

1. A twincestual is someone who is romantically or sexually attracted to their twin.

   They portrayed twincestuals in that film.