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More like guidelines and a lot less like definitions.


A single bisexual woman who is willing to join a couple, typically a heterosexual couple, for sexual encounters or a threesome.

The term “unicorn” comes from the idea that such a woman is rare and elusive, just like a mythical unicorn.

The term is commonly used in the swinging and polyamorous communities, where couples may seek out a unicorn to enhance their sexual experiences or explore new aspects of their sexuality together.

Related Terms

Different communities may use different terms

  • The most common equivalent term for a man appears to be "Dragon"
  • A single bisexual man in this context is sometimes called a "centaur".

Additional reading

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