Adultard 

A person that acts so grown up, it makes them retarded.

My adultard friends think comic books are for kids.

I thought the moshpit would be better, but it was just a bunch of adultards playing grabass

"of course you can play with fireworks, son. Did you think I was an Adultard?"

Adultard by onlikepopcorn December 9, 2012

adultarian

a person who does not eat meat from a young animal ei: lamb or veal.

"I won't order the veal because I'm an adultarian."

adultarian by al189 March 9, 2014

adultando 

Spanglish (v.) el hacer cosas de adultos y tener responsabilidades como adultos. Por ejemplo trabajar un trabajo 8 horas al dia, 5 dias a la semana

Juan esta adultando porque hoy pago su renta.

adultando by Chicas Unidas June 13, 2016

adultador 

Someone the same (or near the same) age as you who treats you like a baby.

Dude, we're the same age. Stop being such an adultador.

adultador by grrrrrrlb July 7, 2010

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