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GMK Is an acronym for "Gas Mask Krew"
A Band of elite hackers and gangsters origionating from an IRC Server known only to the underground as "bluehell"

Entry into this Top secret organisation must require you to have purchased/obtained a mandatory SAS Standard SF10 Special Forces Avon Gas Mask. A EA1-SF10 or a C3-000 Respirator is required, and Additional Respirators are Optional.

Of Course, the numbers who apply for selection are numerous, and for proof purpouses require all entrance to take a photo "IN" the Avon Gas Mask.

Only very few have entered the GMK, "icenix" and "SubZ" are Rumoured to be the ring leaders of this violent cult.

Forms of Communicating in GMK Can be (but not limited to):

"omfg GMK for lyfe"

"lmfao GMK > *"

or "omfgGMK rwned"
GMK by GMKicenix October 6, 2006
Related Words
GMK gmkd
Full form: Gunther, Meinhardt, and Kredler. A keycap manufacturer whose expensive 150$ keycaps take 2 years to ship after purchase. The quality is great, but there are equivalent if not better alternatives that ship faster. They are famous for issues like bent spacebars.
Ron: "How were the spacebars on your recent GMK set"

Jake: "They were banana bent spacebar as always"
GMK by dasvidaniya November 8, 2021
Good morning kind sir is the greeting you say to a zombie villager in a well. It is also the greeting of a posh British person with their posh British words, with their post British clothes and their posh British pigeons.
GMKS you look dead today
GMKS by unicorrn_69 August 27, 2020
good morning kingdom – a phrase used by an american drag queen Kori King
gmkd 🩷🧡 (posted by Lydia B Kollins on twitter/X)
gmkd by aliruu421 March 25, 2025

Stealthie 

when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.

This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"

FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"
Stealthie by gwenhyfar October 2, 2016
Word of the Day on May 25, 2026

Summer Teeth 

When someone has a lot of missing teeth.
Mannn, that dude has summer teeth!
What do you mean?
Summer here, summer there...
Summer Teeth by BeckPot August 2, 2012
Word of the Day on May 24, 2026