yesser 

yesser is a word used by the manx (people on the isle of man) it means yes

yessir im fine! or im fine yesser farmers use this allot

yesser by matthew gardner January 4, 2008

drunken yesser 

a person who makes plans and/or says yes to anything when drunk, then at the next sober point in their life, changes their mind and/or retracts aforementioned plans or agreements

That drunken yesser, Bob, said last night, that he was going camping with us. Today he said he can't afford it.

drunken yesser by Tony & Mike Forever January 12, 2008

yestermorn 

Yesterday morning. Similar to 'yestereve' and 'yesternoon'

What time were you up yestermorn

yestermorn by JimJams June 5, 2007

Yestereve 

The evening of the previous day.

"Did you watch that program about fatties yestereve?"

Yestereve by kezuke June 18, 2007

Yesternoon 

Yesternoon is the afternoon of the day before

Brandon got that booty yesternoon
Josh tapped that ah yesternoon
Yesternoon the blondie witta booty twerked at Eli's

Yesternoon by Play wit it July 4, 2014

yesternoon 

Yesterday afternoon. Similar to 'yestermorn' and 'yestereve'

What did you do yesternoon?

yesternoon by JimJams June 5, 2007

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.

Yesterday X Separation by jenlisaforever January 26, 2022