Yesth 

Another was to say ”yes" often said by girls over text when being cute.

Him: Hey want to hangout today?
Her: Yesth!!

Yesth by Beaner brigade September 25, 2021

Bouncing Bean Bag for Yesh 

A Bouncing Bean Bag for Yesh that sometimes yells "OUCHHHHHHH!!"

"Excuse me Ma'am, I'm having some trouble finding a Bouncing Bean Bag for Yesh

Bouncing Bean Bag for Yesh by "Alright" October 2, 2019

Yestereve 

The evening of the previous day.

"Did you watch that program about fatties yestereve?"

Yestereve by kezuke June 18, 2007

Yesterday X Separation

Yesterday X Separation (Korean: 옛델대 뷔 셉알앋이온, stylized YESTERDAY / SEPARATION), commonly known as YXS, is a five-member Kwangyanese boy band formed by Throw It Back Rosie Entertainment. The group consists of five members Stoove, Yeoniel, Bengyu, Taerry and Kaimal.

Naega Byeonhae by Yesterday X Separation outsold the whole K-Pop Industry.

Yesterday X Separation by jenlisaforever January 26, 2022

yestereve 

Yesterday evening. Similar to 'yestermorn' and 'yesternoon'

Did you have fun yestereve?

yestereve by JimJams December 27, 2008

2 of 'em Yesterday 

A business term meaning you want Lots of them as soon as possible.

"2 of 'em" refers to the item and means you want lots of the item.

"Yesterday" means as soon as possible.

We need those clothes fast. 2 of 'em Yesterday!

2 of 'em Yesterday by TheGymRat February 27, 2019

Yesterday's Gravy 

Old news; something that has fallen out of trend

Stranger 1: "Hey! Did you hear about that movie that came out last Friday?!"

Stranger 2: "That's yesterday's gravy bro."

Yesterday's Gravy by Hellbound Harry March 30, 2015