
Wolffian is a term describing an individual who has testicles or a dominantly testonized sex.[1] The term was originally coined to describe those whose fetal development favored the Wolffian ducts.[2] However, the term is also used as an alternative to describing a "dyadic male," or someone who isn't intersex.[3]

Common Characteristics
Under the more specific definition, a wolffian individual has all of the following traits:[3]
- A penis
- Testicles
- A prostate
- The ability to create sperm
- The ability to impregnate others
- Has testosterone as their primary sex hormone
History
The term was proposed by a trans woman as an alternative for the term "testicular," in the comment section of a blog from the early 2010s.[2]
The more specific definition was coined by Tumblr user mourningmogaicrew on August 31, 2021.[3]
Flags & Symbols
The wolffian flag was created by Tumblr user mourningmogaicrew on August 31, 2021. There is no known meaning behind the flag.[3]
The wolffian symbol was created by mourningmogaicrew on the same day, and is based off the male symbol.[3]
Related Terms
| Sex | Relationship | Description |
|---|---|---|
| Müllerian | Counterpart | An individual whose fetal development favored the Müllerian ducts. |
Sources
- ↑ arco-pluris. “Biosex Adjective Glossary.” Tumblr, 29 July 2018, arco-pluris.tumblr.com/post/176422613517/biosex-adjective-glossary-these-biosexual.
- ↑ 2.0 2.1 mogai-ringo. “🌟Astrogods🌙.” Tumblr, mogai-ringo.tumblr.com/post/665433167091662848/yo-i-originally-saw-a-trans-woman-propose.
- ↑ 3.0 3.1 3.2 3.3 3.4 mourningmogaicrew. “Wolffian and Müllerian Flags/Symbols.” Tumblr, 1 Aug. 2021, mourningmogaicrew.tumblr.com/post/661062411443437568/wolffian-and-m%C3%BCllerian-flagssymbols.