know your shit

To know your shit means you're really knowledgeable about a particular topic or field

Lindsay Lohan: I'm telling you the purity of this meth is 61%

Me: Wow, you really know your shit

know your shit by Ededdandeddy January 9, 2016

you don't know shit from your asshole 

To be oblivious or uninformed on a subject you are trying to create a dialogue about.

The fact you think the government faked the moon landing proves you don't know shit from your asshole.

you don't know shit from your asshole by djstickyfing3rz April 3, 2015

know your shithole 

The website 'know your meme' or KYM.

Just used reddit today, time to go to know your shithole to find unfunny memes.

know your shithole by Blank Man 2.0 September 24, 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

schmegegge 

Yiddish slang word meaning bullshit, baloney, hogwash, nonsense, crock of shit or hot air.

I don't buy the schmegegge about Morty sleeping with Moira.
His version of the story was pure schmegegge.
The whole schmegegge was made up to get Liz a little bit of attention.

schmegegge by budsbabe February 1, 2008