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"yillin" aka chillin (-ch+y) ... is the act to chill, relax, let go, get buzzed, whichever term you prefer. Yillin most often is meant for getting high and doing nothing all day except for laying on your couch and listening to music. However, yillin can also mean to hang out with a group of friends and get high, drink, chill, etc, etc.

Deviations:

To yill
We are yillin
yillski

I'm yillllllllin.

The number of -Ls at the end of the root, yill-, stress the level of yill one is trying to achieve; as to give others an idea of what kind of night they are getting themselves into.
I'm finally finished with that 12 page paper I've been working on all week, can't wait to go home and yill real hard.

Dude, come over to my place tonight. We're all planning on yillin.
yillin by LaaaaaLa. November 16, 2011
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Verb - God-like, esoteric, nine stand before oneself, to put oneself above others with a big ego,
Shayan- I’m straight yillin on these hoes
Brandon- these hoes have nothing on shayan cause he’s yillin on these hoes.
Yillin by Yvng_shay October 10, 2019
Related Words
Someone that's doing something outrageously wild/stupid.
"Bro your yillin, chill."
Yillin by Young Yankertanker September 5, 2025
A number bigger than quintillion and slightly smaller than infinity
Guy 1: Yo uzman, how much yen do you think I would get for 1 billion pounds

Guy 2: IDK, probably like a yillion Yen
Yillion by PattyEatsBatty July 25, 2018

yelling and sniffing 

A kid-friendly term to sensor the word "yiffing." First used by MatPat and Stephanie on GTLive to make Dayshift at Freddy's slightly more appropriate.
Mat: Time to yiff the fox!
Steph: Don't do it, Matthew. No yelling and sniffing of the Foxy allowed.

yelling at the alligators 

The act of vomiting noisily into a toilet bowl or other drain. Derived from the urban myth of the existence of alligators in the sewers.
I drank way too much last night and spent all morning yelling at the alligators

yelling creature 

a video found on youtube of a creature that is yelling! It is known as the “epitome of destruction” he also burps and loves hamburgers. LW are his number one supporters and he is able to put a smile of anyone’s face. He also blinks randomly and has a sassy eye roll.
yelling creature: OooooOooOooOo

“yelling creature is the epitome of destruction