Yestermorrow

When you can't remember what day something happened, because you've been awake for too many consecutive days.

Person 1: Remember that party yesterday... wait, or was that this morning?

Person 2: I don't even remember anymore, it was yestermorrow.

by TheReminder December 11, 2011

Yacteria

A cafeteria experience that leaves one ill/sick.

I ate at the yacteria for lunch, now I think I'm gonna yack it up on my shoes.

by k2aileron December 7, 2006

Yatterman

1: A tongue in cheek anime made by Tatsunoko. Includes robotic dogs that shoot fire, masked super heroes, and villains with ridiculous tatas.

2: What Americans think Japanese people do all day.

Yatter, Yatter, Yatterman!

by Thothgamer! March 7, 2010

yaseer

A very clever individual who is especially talented in English and amazing at languages. He is very attractive and ready to make you the happiest person on Earth

Your such a Yaseer. So clever and attractive

by I met Johnny Carey April 23, 2017

I wasn't born yesterday

Something you say in order to tell someone that you are not stupid and are not easily deceived.

Mom: Timmy, what was that sound?
Timmy: Idk mom, it was probably Johnny masturbating again.
Mom: I wasn't born yesterday. Get your damn girlfriend out of your room.

by susanandvictor4eva April 24, 2015

lookin' like yesterday

looking sloppy, unbathed, or lookin as you did yesterday

That girl is lookin' like yesterday.

by totalpackage_08 December 23, 2008

yester

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

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

by Paul and Scott November 28, 2003