Yepsters 

Agreeing to something with a joking manner

Hey would you like to go to this party Zoe

Zoe: Yepsters

Yepsters by Big Bonk November 8, 2018

yesters 

a slang term used in place of the word 'yesterday'

we had a little get together yesters.

yesters by 007 November 9, 2003

yestersay

as in old news. when someone has just told you information that you already know.

Beni went all out telling me about the 13 year old father in the UK, but I knew about it already. This news is so yestersay!

yestersay by annie004 February 20, 2009

yestersay

A statement or piece of news that everyone knows, or is out-dated. To describe such a statement as "yestersay" is like discarding it as "so yesterday".

Lisa: "Hey, did you hear that Jane Doe is dropping out of the Republican race?"

John: "Dude, that's yestersay!"

yestersay by nurdsmith January 6, 2012

yestersex

Sex that happened the day before.
Yesterdays sex

Dude 1: Hey man, yestersex with Kate was hot!
Dude 2: I bet!

Dude 1: I always feel great after yestersex!

yestersex by crazywacz November 16, 2012

yepster-doodle 

A word of affirmation. Another way to say, "Ah hell yeah!" or "For sure dude/dudette"

"Hey friend, how's life treating you?"

"Oh living the dream my friend. You rollin' with the punches too?"
"Yepster-doodle!"

yepster-doodle by gman218 January 20, 2021

yestersay

Words spoken the day before, or prior.

"Just do it" is yestersay.

yestersay by PrairieDawg March 1, 2009