gretien 

A person who lacks any sexual intercourse.

Oh man I’ve been Gretien for the whole year.

gretien by Gushter January 8, 2018

Greitening 

An extreme form of frightening. Originating the IB subject of Theory of Knowledge. Can be used to describe assessments or class periods in general, but is commonly also used outside class to describe truly fear-instilling things.

Person 1: Yoo, TOK class was stupid and abysmal again today.
Person 2: Sounds like it was very Greitening.

Greitening by Primoging January 17, 2019

Greten 

To be extremely embarrassed, flustered.

Many things make me gretened, especially public speaking

Greten by Goodman sig October 17, 2019

gretin 

A follower of Greta Thunberg.
A pun (sounds like cretin) which is used as a general term of abuse.

There’s an army of gretin’s that believe whatever crap Greta says.

gretin by AnonDoxy January 22, 2023

Gratience 

A graduated, more intense form of patience.

I usually can withstand the intermittent chatter of the 'new-hire' class, but today, calmness and gratience won the battle.

Gratience by Fwoppo (Ephduboh) Udonomi, Jr. October 29, 2020