nostalgia day 

december 5th is the day

They: hey! It's december 5th, it's nostalgia day!
He: ah yes, time to put my old avatar on

nostalgia day by markusistaken December 2, 2021

the nostalgia day

a day when everyone sets their avatars and names in social networking apps/sites, example: discord

They: hey! It's the nostalgia day!
He: ah yes, time to put my old avatar on

the nostalgia day by logixcool March 10, 2021

nostalgiadamus 

noun. a.k.a., The Man Who Saw Yesterday. Someone who is hung up on the past and can only talk about "the good old days". A cultural dinosaur. Drives a K-car and wishes for a DeLorean. Thinks Bananarama will have a comeback. Old school, but even more so.

Dude, she is so retro, I'm talking like, nostalgiadamus retro.

nostalgiadamus by Nostalgiadamus, himself July 6, 2006

Cheeks 

An Irish phrase meaning shit, derived from ass
(Not to be confused with the literal description of one's buttocks)

"Did you hear the song Aylek$ dropped?"
"Hardly. Her music is absolute cheeks."

"My boyfriend say LaFlame is cheeks."
"Tell your boyfriend I said it's his mixtape that's cheeks."

Cheeks by thecartisan April 26, 2020

sans sheriff 

Lawless use of fonts or typography, with no regard to aesthetics or legibility

I'm putting this CV straight in the bin. Written totally sans sheriff.

sans sheriff by Jamarley July 3, 2019

Breadhead 

Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".

A breadhead is like a crackhead, but for money instead of crack.

Breadhead by 🅱️ U S 3 4 8 March 30, 2022

Stink lines

As seen in illustrations or cartoons: Wavy, vertical lines rising above a person, place or thing. Denotes a foul odor.

"You didn't put enough stink lines on your picture of the teacher."

Stink lines by Athene Airheart March 14, 2004