Yunster 

A straight up G. Derived from "young" and "gangster" combined.

Hey, what do you think about Chris?

Dude he's a total yunster!

Yunster by Rawrmyun October 20, 2010

yoaster 

professional mc gamer

John: yooooo that guy is insane at every aspect of minecraft combat
Me : Must be yoaster then

yoaster by 727wysi July 8, 2020

Yogster 

To act in a very cool manner, or to to be very cool.

He is always so yogster, he doesnt care about anything. OR Brad Pitt is such a Yogster.

Yogster by Wilbur Wilson September 17, 2007

Yoster Toaster 

While eating a girl out, the male/female performing the cunnilingus vomits onto the vagina

Dude, can't believe I was drunk enough for the Yoster Toaster.

Yoster Toaster by Concerned Citizen 6767 March 4, 2011

yanster 

a group of party girls, who like to share boys and hang out all the time

“Where is Yanster?”

“Invite the Yansters with us”

yanster by yanter June 3, 2019

Yoaster 

Noun; A pistol that is hidden in the leg of sagging pants. Usually held by people wearing Yankee's caps down to their eyebrows, as to hide their eyes.

Noun; Gun which does yoasting.

Man One: Hey is that guy looking at me funny?
Man Two: Ay bro don't even press him, look at his hat he's probably carrying that yoaster.

Yoaster by IFR_flyer May 10, 2020

yoster 

A legend

That man is an absolute yoster with the ball in his hands.

yoster by JingleBell33345 September 9, 2020