yaust 

Smoking so much weed that you feel like you cant move or speak, struggling to even get up and function.

Most of the time you fall asleep right afterwards because you cant handle how high you are

"Is he okay?"

"Yeah don't worry he's just yaust"

yaust by uselessseamonster July 31, 2019

Youstina

Wonderful, cheerful, friendly
(usually used as a girls name)
(originated from EGYPT)

My Best Friends name is Youstina.

Youstina by Youst August 14, 2003

Yasta 

An Arabic slang word describing a cool young Egyptian man. This word is commonly used in UWaterloo UAE.

Those three Yasta's are looking very fresh.

Hey Yasta, did you do the calculus assignment?

Yasta, 3ayez shay karak?

Yasta by qalwa12 January 26, 2013

yahst 

To steal something in an excessively retarded way.

Conor wanted to yahst a traffic cone by grabbing it in a drive-by.

yahst by ConorHay? May 14, 2017

yautja

A hunting alien species based on the comics and fox series of the famous movie predator and predator 2 (Danny Glover/Arnold Schwarzenegger). Every "Yautja" comes in different classes

Unblooded Yautja:never did a hunt
Young blood Yautja: still does its first hunts
Blooded yautja: a warrior
Elder yautja: a leader warrior
Bad Blood Yautja:a criminal predator

"the yautja were the feircest warriors in the universe they were the predator's of our time"

yautja by Apostolos September 21, 2005

Yapster 

someone who talks a lot and you try to get their attention

yo yapster, wanna stop talkin?

by Karl Jacobs

Yapster by niko_ January 11, 2023

yustin

An handsome boy that thinks he’s the best of all people (he is but ssttt). He can be sweet and also really mean. But don’t take him to serious tho. He’s the best friend you need and never could get. Don’t betray his trust tho, You don’t wanna lose a Yustin. He can coooook. He cann cleann. He has a beautiful smileee. He hasn’t alot of friends so go be his friend don’t be afraid. He probably has a girlfriend, sorry girls.

Oh look...It’s yustin!

yustin by Emalien October 19, 2019