A term to mock AFAB Non-Binary people-- simply a trender
A: They just love being called They/Them
B: "She's" probably a theyfab
by Vuvurzka November 2, 2021
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A term that is mostly used by Transmeds & Truescums, which means a non-dysphoric woman larping as nonbinary.

The term is a combination of the pronoun they and the term AFAB, and is commonly used to make fun of & mock women who identify as NB without changing their female appearance, and call out anyone who doesn't use their pronouns.
A: Mary told me she wants to be called Moi, and goes now by they/them.
B: But she is still presenting female and still says she's straight?
A: She's probably a Theyfab, just give her some time.
B: I wouldn't tell her that to her face, she gets pretty mad about it!
by KatzeK4 August 8, 2023
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Non dysphoric person larping as nonbinary that's transphobic and seni-often even homophobic that has inserted themselves into the lgbt community which they neither appreciate or understand, that is afab
A: Did you know anna came out as a "non-binary"
B:Pfff, shes a trender theyfab
by wowowowowompy March 11, 2023
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Derogatory term for a woman who identifies as non-binary. Combination of the pronouns they/them and the term AFAB (assigned female at birth).
“Why is Sarah suddenly non-binary?”
“She’s a theyfab. I give it a month.”
by otheruser December 8, 2022
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A term used to mock girls who identify as non binary without changing their gender presentation at all.

They tend to be incredibly vocal about how they are LGBT, and consider anyone who doesn't use they/them a transphobe, even if they are obviously a female.

These are the type of girls to say "I'm bisexuality but I only date men"
Mark: I was speaking to Alice yesterday and she....

Alice: Don't you dare use my deadname! I go by Raven now and use they/them! You transphobe!

Mark: Jeez, what a theyfab
by maybe human maybe dead June 22, 2023
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