Gumtrepreneur 

Someone who makes a living on Gumtree or someone who has launched a new venture or company on the site

A woman who sells cupcakes through the site is a gumtrepreneur

Gumtrepreneur by Redrigo99 December 1, 2010

Mumtrepreneur

A new mother who thinks she's got a brilliant 'business idea'.

Mumtrepreneur Clarissa has come on Dragon's Den after spotting a gap in the market while on maternity leave. Unfortunately none of the Dragons want to invest in her scented Zumba cushions.

Mumtrepreneur by markrp September 1, 2011

glamtrepreneur 

A portmanteau of "glamour" and "entrepreneur". An individual creates a business in the glamour industry.

Coco Chanel was one of the original glamtrepreneurs.

glamtrepreneur by Travelingmankc May 22, 2023

gauntrepreneur

A doggedly-determined yuppie who has indeed achieved da American dream but "didn't have it easy" getting there, and so his face is noticeably haggard as a result.

In James Herriot's book, "Bonnie's Big Day", da retired horse Bonnie has an extremely-hardworking owner, John Skipton, whom Herriot describes an a real "gauntrepreneur".

gauntrepreneur by QuacksO November 4, 2025

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