Yiffi 

Turkish overweight Male who loves "My little pony" and hates Christianity, most commonly wear "Fedora" hats. Most commonly friend zoned by their girl friends.

Friend 1: hey man look at that guy yelling at himself
Friend 2: you don't want to get in between that
Friend 1: because that's a Yiffi, if you make him mad he will find facts about science and scream them at you

Friend 2: ok man, thank you I didn't know that.

Yiffi by AviTekBabaYon December 18, 2013

Yifferendum 

A detailed book with a list of all known people who identify as a furry

Man 1: Hey man! Do you know if Kyle is a furry?
Man 2: No clue, lemme go check the yifferendum

Yifferendum by ZeroHero75 March 27, 2021

Yiffyraptor

An older male furry that preys on artists by paying for comissions with the sole intent of getting laid at conventions. May try to pass as interested in becoming a woman so he can sleep with lesbians or bi-curious underage girls. As soon as he does so, he'll stop paying.

At first I thought he was genuinely interested in my art, but then he turned out to be another yiffyraptor trying to get laid. He never even paid full price for the drawings he commissioned!

Yiffyraptor by Badgerbaiter December 4, 2010

International Sign of Yiff 

Extending your middle and ring fingers while holding your index and pinky down with your thumb.
Used to designate yourself as part of the Furry community or silently indicate something concerning Yiff.

I wasn't sure what his fetish was until he flashed the International Sign of Yiff

International Sign of Yiff by Ash3taka August 6, 2010

yiffniff 

"the word" for the 2007 FCAT that nobody can spell. Everyone is beginning to know about that word and seeing who can spell it which is now yet known

my cousin keith tried to spell yiffniff but he got it wrong so my dad sent him to hell

yiffniff by the king of hialeah February 27, 2007

yiff 

1) (noun) Sound supposedly made by mating arctic foxes.
2) (acronym) (or more backronym) YIFF or Y. I. F. F. - "Young Incredibly Fuckable Furry"
3) (proper name) YIFF sound server. Program for Linux to help handle audio.
4) (noun) More or less (usually more) sexual act. Commonly used by furries, usually denotes standard intercourse but may denote any kind of sexual behaviour between any type and number of parties (imaginary anthro creatures, humans, animals, even inanimate objects like plushies). Antonym: Yerf.
5) (verb) Like in meaning 4, "to yiff".
6) Furry (or otherwise) artwork depicting yiff as in meaning 4.
7) Expression of joy (by furries)
8) Non-invasive question about sexual feelings/will to mate.

Note in all sexual meanings this has a very specific emotional background: It's neither considered vulgar (like "fuck" or technical (like "have intercourse") or emotion-less (like "make love"). It's playful, considering the act like something fun, nice, pleasant and not very important - without any special obligations attached to it. "Let's yiff" has about the same emotional background as "Let's play".

See also yiffy

1) I heard foxes making the "yiff" noises.
2) He's a Y.I.F.F.
3) I've upgraded the yiff server.
4) Are you into yiff, or just cuddles?
5) Let's yiff.
6) It's hard to find good yiff on VCL nowadays.
7) I did it! Yiff-yiff-yiff-yiff-yiff!
8) "Yiff?" "No, thanks, I don't quite feel like this right now."

yiff by SharpFang August 20, 2003

Yiff 

The Furry Fandom's word for Sexual Intercourse, where two furs have a sexual affair. The word originates from the noise a fox creates when it mates. The phrase is used for sexual acts universally involving furries, not just specific acts.

"The lion wanted to yiff the wolf, which was blatantly obvious due to the growing package in his pants, his sheath revealing an ever-shy member."

"The wolf explained to his furry friends about how yiffy he felt by simply standing near his lion friend."

"The canine yiffed the feline in a pleasurable matter, resulting in loud purrs and murrs of great enjoyment."

Yiff by Caleb Griffith September 20, 2006