Definition & Meaning of "yiffer"in English

What is the origin of the term "yiffer" and how is it used?

"Yiffer" is a slang term for a person sexually interested in the erotic side of the furry fandom. It emerged in the late 1990s to early 2000s within online furry communities, from "yiff," which refers to sexual activity or flirting between characters in the fandom. "Yiffer" describes someone who seeks out or participates in this sexual content. The term is mainly used within the community in informal, sexual, or joking contexts. It is context-dependent: generally fine inside the fandom, but could be used as an insult outside it.