Yass 

Expression used during sex

Girl: Yass, Yass harder, oh Yass!

Yass by Human69 May 21, 2019

Yass 

When you are so excited that just saying the word "yes" will never be enough. It can also be described as sort of a pass over to the world of people that are actually good at life, unlike you.

Boy One - "Bro, my mom said she'll take us to see that new movie!"
Boy Two - "Yass!"

Yass by ItsTheRealDaze April 7, 2015

Yass 

Y-Yes
A-Always
S-Support

S-Sex-slaves

"how do you feel about sex-slaves "
"Yass"

Yass by The Dog Seller October 14, 2017

YASS 

a fucking retarded way to say yes

yass queen

YASS by ThatLittyKidd May 18, 2020

Yass 

A many layered mans well Defined Beard

'Jesus check out the angle on that mans Yass

Yass by jOEY April 29, 2004

yass 

Slang for "your ass"

Person 1: You some of me

Person 2: Fuck you, bring yass

yass by Wa-Bert Lewis October 24, 2005

Yass 

An alternative to yes.

Oh my gosh yasss!

Yass by Soccersavage March 9, 2017