kin·çest
Noun
Adjective: Kincestuous
Verb: Kincesting

1. When two or more people who "kin" each other engage in sexual action.
2. When two or more people, one of whom is kinned by the others, engage in sexual action.
3. When two or more people who kin the same character engage in sexual action.
Person 1: I can't believe we're finally doing it
Person 2: I feel like Kanaya Maryam when Rose kissed her
Person 1: Wait, you kin Kanaya too?
Person 2: Yes..?
Person 1: Does...Does that make this kincest?
by deadlyAdder July 23, 2019
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Two people involved in a romantic or sexual relationship. They aren't blood related, but are so close in kinship or friendship that they might as well be. This could include step-family, family friends, god-siblings, etc.
Person 1: "Andy, just get with Sandy already. What are you waiting for?

Person 2: Ew, man! We've known each other since the first grade. That's like kincest.
by Cicinotouch December 22, 2013
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