stamp collecting 

An frivilous pursuit requiring only time and the ability to repeat things verbatim like a Parrot.

See Botany, Microbiology and Art.

Ernest Rutherford (1st Baron Rutherford of Nelson and known as the "father" of nuclear physics) was quoted as saying:

"Physics is the only real science. The rest are just stamp collecting."

stamp collecting by Chaucer_had_it_coming February 1, 2010

Stamp Collecting 

To go from bar to bar collecting hand stamps at the entrances.

This weekend we're going bar hopping or stamp collecting.

Stamp Collecting by GUNNER636 January 23, 2009

Stamp Collection 

A sexual innuendo for the male genitalia sent to a person of opposite sex as a picture who does not want it but receives it anyway.

"Hey girl, do you want to see my stamp collection?"
"Yesterday, the weirdest thing happened. John asked me if I wanted to see his stamp collection. I didn't know he collected stamps."

Stamp Collection by Pantslesspuma July 4, 2017

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