Dragon

Also: unicorn (the more common counterpart)

Community slang for a single man sought by an existing couple to join them — the male counterpart to the 'unicorn,' and, like unicorn hunting, prone to the same ethical pitfalls when the third is treated as an accessory.

1 min read · Reviewed 2026-05-24

A dragon is the rough male equivalent of a unicorn: a single man whom an established couple is looking to bring into their relationship, usually a man-and-woman couple seeking a man. The mythical-creature framing carries the same wry implication as 'unicorn' — that the ideal candidate on the couple's terms is rare to the point of near-mythical.

Dragons are talked about far less than unicorns, partly because the most common couple-seeking-a-third pattern in mainstream and LifeStyle spaces involves seeking a woman, and partly because of the gendered double standards in how single men and single women are received. But the dynamic exists, and where it does it carries the identical risk that 'unicorn hunting' is criticised for: a couple shopping for a person on pre-set terms that protect the couple and treat the third as an add-on rather than a full participant.

As with any couple-seeking arrangement, the ethical version keeps the person being sought firmly in the category of a full participant with their own desires and standing — able to shape the relationship and leave freely — rather than slotting them into a role written before they arrived.

Where this term fits in the wider picture

Ethical non-monogamy is a network of overlapping practices, identities, and structures — and Dragon connects to several of them. The neighbouring terms below show how this one sits alongside the rest of the vocabulary practitioners actually use; the guide at the end is the longer-form treatment of the same territory.

Closely-related vocabulary

Unicorn
A bisexual or queer woman who dates established couples as a third — used neutrally by some, pejoratively in the context of unicorn-hunting, depending entirely on the dynamics involved.
Unicorn hunting
The practice of an established couple seeking a third — typically a bisexual woman — to join them as a single unit, with the couple's needs structurally prioritised.
Couple hunting
An established couple searching for another couple, or a third person, to play or partner with. Ethical when the people sought are treated as full participants; problematic when it mirrors the objectifying pattern of unicorn hunting.
Couple privilege
The structural advantages an established couple holds in a polycule — legal, financial, social, practical — by virtue of being a recognised couple.
Triad
Three people, each partnered with the other two — a complete triangle of romantic connection.

Continue reading

The longer treatment of this territory is in the guide What is ethical non-monogamy? A clear primer for adults thinking it through — An honest, plain-language introduction to ethical non-monogamy — what it is, what it isn't, the configurations it covers, and the questions it asks of you.

New to ethical non-monogamy? Start with the glossary for vocabulary, the structures index for the named relationship configurations practitioners actually use, and the guides for longer-form treatment of the common questions.