Y.T.S. 

Young ting specialist - meaning that you like or are going out with a girl in school who is younger than you(very young).

You’re a Y.T.S.!!! How could u like her she’s soo young.

She’s like in year 8 or something, such a Y.T.S.

Y.T.S. by HAPU Dictionary November 16, 2018

y'arnt 

Contraction of you are not. Origin: Midwest US

"Y'arnt going to wear that, are you?"

y'arnt by KellBelle October 9, 2008

Y.A.R.O.

Abbreviated for, "You A Real One." A phrase you say to someone who has something good going for themselves.

"That was a good meal, YARO, mother!"
or,
"Babygirl, you a real one... YARO!"
Y.A.R.O. YARO You A Real One

Y.A.R.O. by Jinstermeista January 16, 2017

Y-Man 

A very stupid, out of it, moron, small, and they have Y (shaped from veins) on their forehead person." Y-Man is otherly known as Zack A.

Andre- Wow look at Zack A what a fool man.
Mike-now man look at his "Y" is so big... I thinks it's grown?

Y-Man by Bi-mon-sci-fi-con April 11, 2005

Y.A.T

YOUNG ASS TRAMP

THAT LIL BITCH IS ALREADY TURNING INTO A Y.A.T! SMH

damn shame a y.a.t in training

Y.A.T by vmae February 19, 2010

Y'all 

Hicks 'slang' for "You" and "All"

"Y'all gunna get shawt if'n you dunt geh awff my popertey"

Y'all by T3CH December 21, 2004

y' know 

Verbal method of denoting an opening parenthesis, whether reading aloud from a printed source or simply clarifying the punctuation of your own thoughts.

For usage of y' know, see the example at n' stuff.

y' know by Jose Jarrell September 11, 2005