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besterday 

The previous business day, exluding weekends, holidays, and vacation days.
Boss: Did you send me those reports?
Employee: Check the bottom of you mail folder, I sent them besterday!?!
besterday by Alberto Weinsenstein December 24, 2010

Yesterday X Separation

Yesterday X Separation (Korean: 옛델대 뷔 셉알앋이온, stylized YESTERDAY / SEPARATION), commonly known as YXS, is a five-member Kwangyanese boy band formed by Throw It Back Rosie Entertainment. The group consists of five members Stoove, Yeoniel, Bengyu, Taerry and Kaimal.
Naega Byeonhae by Yesterday X Separation outsold the whole K-Pop Industry.

2 of 'em Yesterday 

A business term meaning you want Lots of them as soon as possible.

"2 of 'em" refers to the item and means you want lots of the item.

"Yesterday" means as soon as possible.
We need those clothes fast. 2 of 'em Yesterday!
2 of 'em Yesterday by TheGymRat February 27, 2019

Befesterday 

the day before yesterday
before + yesterday = befesterday
Robert: I really wish I can describe how I felt hanging out with you... not yesterday, but the day before yesterday.
Mia: You mean befesterday?
Robert: Wow, what a genius, concise word that the English Language does not have yet...
Befesterday by Me-Mover May 14, 2019

Yesterday's Gravy 

Old news; something that has fallen out of trend
Stranger 1: "Hey! Did you hear about that movie that came out last Friday?!"

Stranger 2: "That's yesterday's gravy bro."

I'll call you yesterday 

A sarcastic phrase used to signify that you actually won't call or interact with someone in the future. The phrase implies that you would have theoretically called them "yesterday" if you really cared. This phrase is primarily used a means of blowing someone off.
Jim: So did you meet up with that girl you got coffee with last week?

Nick: Nah, she blew me off and never texted back after. It was an "I'll call you yesterday" type of situation.
More from Urban Dictionary
Being ignored by someone when making a statement or asking a question. Also known as blanked and turfed.
Person 1: Did u watch ** last nite?
Person 2:......
Person 3: O no u got aired!
aired by Pietro February 9, 2005
Word of the Day on October 10, 2026

piddlefart

Instead of doing my homework, I decided to piddlefart around for two hours.
piddlefart by Rene April 25, 2005
Word of the Day on October 9, 2026
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026
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