yester 

The one before, the last one passing, or the previous

"That chick that just yestered was hot!"
"Did you pass the yester test."

yester by Paul and Scott November 28, 2003

yester-eve 

Yesterday evening, or last night.

Nigel: I say, Basil, I had rather too much to drink yester-eve.
Basil: I suppose that would explain your vomiting this morn.

yester-eve by Sir Sleeps-a-Lot July 21, 2008

yester-night 

something that happend last night (instead of yesterday

you dog, yester-night i banged a girl

yester-night by sugar daddy AKA dr.awesome May 7, 2009

Yester-Lesson 

A term your English Teacher made up in order to describe the class you had yesterday.

"please refer to yester-lesson"

"Sir what are we doing today?"
"Continuing work from yester-lesson"

Yester-Lesson by Debra Biblooby August 29, 2019

yester-think

Being mired in thoughts and innovations of the past rather than forward-thinking.

I was so mired in yester-think that I didn't realize that technology was evolving all around me.

yester-think by Aaron78 May 24, 2007

Yester-last-year 

A year and a day ago.

You promised me yester-last-year that you'd be be here within a year. It's too late now.

Yester-last-year by Renfran April 24, 2017

yester semester

Last semester, the previous semester of school

“I have to take psychology this semester”
“I took that yester semester and passed. It’s pretty easy.”

yester semester by elainethebrain September 17, 2021