ΘΔ
Therian
Example
34 M, ΘΔ (Fox)
ΘΔ definition by Slang.net
This page explains what the slang term "ΘΔ" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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When you see the symbol ΘΔ in someone's social media bio, it means they are a therian. You might see therians use this symbol on Twitter, TikTok, Instagram, and other platforms, to identify their kinship with an animal.
What is a therian?
A therian is a person who believes they are spiritually or instinctually connected to a non-human animal. Therians often self-identify as the animal with which they feel connected, and they use their "connection" to explain animal-like behaviors that they display.
Why does ΘΔ mean therian?
In 2003, users on The Werelist forums created the ΘΔ symbol to represent therians. The symbol uses the Greek letter Θ because it is the first letter in the Greek word therion (which means "wild animal"), and the Greek letter Δ because it symbolizes change. Combined, the letters symbolize a therian's "shifts" into animal-like thinking and behavior.
Therians also commonly combine the letters in the ΘΔ symbol into a single, overlapping shape. You may see this version of the symbol in images or as IRL jewelry or tattoos.