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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.”
Theyfab by otheruser December 8, 2022
A portmanteau of the words "they" and "AFAB". Used as a derogatory term, mainly in online circles, to refer to nonbinary people who were (or are assumed by the user to be) assigned female at birth. Frequently used in conjunction with implications of "not *really* being transgender", "using their label to talk over others", etc.

A nonbinary person may be called a theyfab for using neopronouns, having a non-typical name (such as Moss or Arson), being a teenager, talking about transphobia or discrimination they've experienced, not experiencing dysphoria, not planning on medically transitioning, or simply just existing visibly, among other reasons.
Person A: There are so many nonbinary people online now.
Person B: Ugh, all of those theyfabs are taking over our community.
theyfab by the_one_and_only_punmaster November 18, 2025
A very strong man , mostly represented as a wolf because he is very tough. He is loving and caring and would do anything for the person he loves.
That guy is definitely Theyab.
theyab by wolfff hunter November 1, 2020
A term (sometimes derogatory) used to describe an nonbinary AMAB person.
Some theymab with eyeliner and painted nails is blasting Bladee in the dorm room across from mine.
theymab by fullbodyphallo October 1, 2022
More from Urban Dictionary
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026
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