Serial Adultery 

Pre-watching a box set on Netflix by yourself, on the quiet, that you would normally watch as a couple, because she never seems to be in the mood, and you don't have the patience to wait until she is. Later when watching it together, she will be none the wiser.

Gary was bursting to watch season 2 of Narcos, but Sally was too tired, so he engaged in a spot of Serial Adultery.

Serial Adultery by TheDrunkenBaker September 5, 2016

serialadulterer 

One who commits adultery. n. a person who has committed adultery consisting of, forming part of, or taking place in a series.

Voluntary sexual intercourse between a married person and a partner other than the lawful spouse taking place in a series.

Newt Gingrich is a serialadulterer.

serialadulterer by mo rockin February 21, 2012

jerb 

well known from south park
rednecks get angrry that future folk took there jobs so they yell
They took ouare jerbs!

Them future folk took ouare jerbs!

jerb by Jimberley Kim April 7, 2005

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