Yesterfat

Refers to a previous time when you were fat, in comparison to now.

Person 1: Didn’t you use to weigh 280 pounds?
Person 2: Yeah, but that was yesterfat.

by BeauregardBlake December 14, 2018

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

Yesterday's Patchwork

Something that happened the day before you don't want to discuss. Usually used ironically.

Person 1: Hey, do you remember when you..........
Person 2: THAT WAS YESTERDAY'S PATCHWORK!!

by Pie In Box November 30, 2019

yesaturday

Portmanteau of two words; refers to the previous day when today is a Sunday.

I did my weekend chores yesaturday, and so I am going fishing today.

by QuacksO December 1, 2019

Yesterday night

Not last night the night before that

Remember yesterday night when i was watching spongebob square pants

by Most logic December 8, 2019

Yesn’t

Another word for no

“I am in latin class right now very bored so i made this word do you like it?”

“Yesn’t”

by Dat.straight.boi. December 12, 2019

yesn't

a way to say yes and no without being an asshole

"Would you like to come to my house?" "Yesn't"

by LuNa.EFX April 15, 2020