birthday twin 

someone who has the same birthday as you.

whether it be same day, month or year.

Person 1: Hey man It's my birthday.
Person 2: Noway! It's mine too!

Person 1: Hey man, we're birthday twins!
Person 2: Cool man!

birthday twin by ROCKGODFROMTHE60S January 23, 2016

Birthday twin pals 

When two or more people, who are not twins in the traditional sense, share a birthday.

Chris, Tasha and Kara's husband all share the same birthday making them birthday twin pals. How freaky!

Birthday twin pals by Sallgoodman December 12, 2016

academic birthday twin 

Somebody who shares the same birthday and doctoral supervisor as you.

Cian and Hieu are academic birthday twins.

academic birthday twin by Gaillimheach April 19, 2018

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