Library card 

A metaphorical card that one loses upon engaging in sexual intercourse in the library.

Kate took John's library card in the stacks last night!

Library card by lbeesntdeirx February 19, 2013

library card 

a plastic card that enables one to have fun in circumstances related to the dewey decimal system

Because having fun isn't hard, when you've got a library card!

library card by Arthur Reid January 4, 2012

Louisiana library card 

When your parents are in the next room so you and your sister go to pound town quietly

Brother: looks like we might have to pull the ole' Louisiana library card today, mom and dad are home *insert a subtle "Yee yee"*

Sister: mom and dad died in the crash 8 years ago brother...you gotta let it go..

Louisiana library card by Connorbrown3993 January 12, 2019

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