Jam Sesh 

When at least semi-experienced musicians get together and pull songs out of their ass, working all together non-verbally. Almost always involves hilarious bullshit lyrics.

Good jam sesh last night man, way to pull that riff out of your ass

Jam Sesh by bassjesus June 17, 2014

Jam Sesh 

A slang term used by douchebags to describe a jam session. Typically used by shitty/non musicians.

Hey man, wanna get together tonight and have a wicked jam sesh?

Jam Sesh by JayDoopy April 1, 2019

Jam Sesh 

Subconsciously dancing to a song then noticing that others are doing the same, which only makes the group jam more enthusiastically.

The Black Eyed Peas can usually entise a jam sesh.

Jam Sesh by ahhhsuraah January 20, 2011

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