yesterbae

Another term for an ex you dated recently or in the near past.

When you see your ex in public and you say to your friends, look that's "yesterbae"!

by sunthatneversets June 2, 2017

yesternium

A new element in the periodic table that alters the past.
Specifically the past millennium.

80's radio announcer: Time travel to the past 1000 years in a jiffy is now possible thanks to the discovery of the element: yesternium!

by lilsnsh July 8, 2019

YesterNight

YesterNight, because yesterday is only for 12 hours, then it is night..

“Do you remember when we went to bed YesterNight?”

by Bill Knight April 10, 2021

Yesternight

on the night before today’s night.

John: where were you last night?

Luke: yesternight?

John: yes
Luke: Yesternight I was at home…

by poopiedookie3000 February 21, 2022

yesteryesteryesterday

The day before yesteryesterday

Did you see the party YESTERYESTERYESTERDAY?

by Am dude October 6, 2022

Yesterwednesday

When a Wednesday was yesterday or the most recent Wednesday.

Yesterwednesday, I went to the store.

by HIIII-AHHHHH June 3, 2023

Happy yesterbirth

What you say to someone when it was their birthday yesterday but you forgot to wish them a happy birthday on the actual day

Guy 1: Happy yesterbirth, man!
Guy 5: If I had to kill either you or a ladybug, I wouldn't be able to decide

by 99coronasonawall June 2, 2020