noun (plural yeens)
1. (furry jargon) a hyena, often used in a similar way to the word "doggo", except "yeen" is a clipping of the original word
2. a nickname for someone whose fursona is a hyena

verb?
1. a contraction of the words "you ain't" or "you ain't even"

Note:
There are many other nicknames for hyenas that have been derived from this word. (e.g.: yeener, yeen bean, yeeb, etc.) They all mean pretty much the same thing, and are interchangeable.

A catch all word to describe anything that is basic, uncool or untrendy. According to The New York Times, "cheugy (pronounced chew-gee) can be used, broadly, to describe someone who is out of date or trying too hard."

Things that are cheugy:

The New York Times
PT Cruisers
Goldendoodles

Australians

Addison Rae
White people
Billionaires

The person writing this definition

Slang for "you ain't".
typically how southern people say it

"Yeen" is a different pronunciation of "hyena," commonly used in the Furry Fandom and Lion Guard community.

A forced, loud laugh. Can come off as aggressive.

You ain't even!

When you Yeet and cum at the same time