Cupiohex is a term under the category of cupiosexual. It refers to someone who is straight/heterosexual and is exclusively attracted to the "opposite"/dissimilar gender(s). However, they are willing to participate in activities with the same/similar genders, despite feeling no attraction.[1] These activities may or may not be sexual. The reasons for these activities, include but is not limited to: pleasure, economic reasons, artistic expression, etc.
Cupiohex is the opposite of cupiogex.