Typically a sex unicorn is a bisexual woman who agrees to join a pre-existing heterosexual marriage as a third sexual component, without presenting any threat of infidelity or emotional burden to either the husband or wife.

What is a unicorn in a three way relationship?

For the uninitiated, the term unicorn-hunting typically describes the practice of an established couple searching for a third partner to engage in either threesomes or triads (relationships between three people).

What is a 3 way marriage called?

Taylor offers this definition: “A throuple is a relationship between three people who have all unanimously agreed to be in a romantic, loving, relationship together with the consent of all people involved.” You may also hear a throuple referred to as a three-way relationship, triad, or closed triad.