doppelbanger

plural doppelbangers

1. humorousslangA romantic and/or sexual partner who strongly resembles oneself.

   Even with therapy, he never failed to go weak in the knees for his doppelbangers. One time he got so weak in the knees for a female version of himself that he tore both of his meniscuses.

   2016, Lucky Bag [yearbook], U.S. Naval Academy, page 612

   2 more examples

   The evening was a full dyke takeover thrown by two women, Cass Bugge and Molly Schiot. They were deeply in love in that doppelbanger way. Both looked like mini Carrie Brownsteins and seemed on Instagram to be deeply crazy about each other, to have the idea relationship.

   2019, Jill Solloway, She Wants It: Desire, Power, and Toppling the Patriarchy, page 97

   I'm not the only person who has been one degree away from sleeping with a mirror. While the phenomenon is common among straight people, the so-called “doppelbanger” appeal has its roots in gay communities.

   2024 February 8, Tom Disalvo, “The Best Gay Sex I've Ever Had Is With People Who Look Like Me”, in Between the Line, volume 3206, page 18