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Japan code word 

being on your period. When a girl says she's 'in japan' it means she has her period
"The new code word for being on your period is Japan" (Japan code word)
Japan code word by periodgurl July 10, 2019

The Word Component Code 

The code which denotes the way prefixes, affixes, and suffixes are combined to form words, and along with root words and monosyllabic words constitute all the words in a language.
Though most people can see that the various components of words are combined to form all the words in a language, because so few people take the time to familiarize themselves with prefixes, affixes, and suffixes to help them comprehend words on a deeper level and communicate more effectively, some educators call that interplay between the components of words "The Word Component Code." The following are some examples of "compound words." Firefly, softball, redhead, keyboard, makeup, notebook, foreshadow, afterthought, hindsight, and foolproof. Compound words are a combination of two words but expressed as a single word. Word such as "disrespect," for example, is a different type of bisyllabic word because it is comprised of the prefix "dis," followed by and joined to the root word "respect."
The Word Component Code by but for October 12, 2017

weed code words 

weed code words dumb sentences that try to hide the act of smoking weed!
aka weed code or weed codes
(they are not cool or clever or even sneaky btw)
its all basically dumb people using dumb words just to be sleazy skeezy and down right bad just to be able to smoke marijuana or other gay paraphernalia from some genitalia shaped device for 5 minutes of a shitty pointless non-enlightening false high. they use weed code words in front of teachers and parents and other "know better" people because they know what they are doing is stupid and wrong and they hide it cause they don't want to get caught because its STUPID and WRONG! all drugs are. they will use anything, could be as simple as "hey wanna go HIT the punching bag later?" first of all the real code words always the verb like HIT or something representing they are going to sniff huff take a puff inhale or some other action to get high off of a joint or roach. they will make it really obvious and sometimes not at all. spotting a pothead is super simple to begin with but just in case your lame brained and un-observant you hear things like this YOU'LL KNOW!!! the reason they will always use the verb hit or something similar is because they don't wanna confuse details. many times it will be peer pressure, don't get yourself into a bad situation cause someone said "hey wanna ride bikes later on?" that's too specific they will usually use some verb or adjective that gives it all away.
"hey me and fucktard twat-dinkle cunting the fag are going to sqquuueeezzee the breeze tommorow night"

"hey me and chris or some other standard american white boy name are going to HIT up the b-ball court tonight" (why would you play basket ball at night?)
or
"yo james and i are gonna play the flute after school we might even play the pied piper" (they are obviously not musicians)
lastly
"yo man im gonna kill off a few roaches this afternoon you in or what?"(why in the absolute fuck would anyone want to hear about it or join in on that?) lol (nasty he has a roach problem!)
"haha we totally bailed class the other day because we used weed code words on our teacher and didn't get caught to go smoke!"

codeword dirtbag

the codeword to activate robot no.2 to hit griff
Sarge: robot no.2, codeword dirtbag
robot no. 2 "eep" *wham!*
Griff: "ow!"

random soldier: freeze!
Griff: oh damn it
random soldier:i said freeze! dirtbag!
robot no. 2: "eep!" *wham!*
Griff: oh come on!

codeword 

a word or phrase shared by a group which has a special meaning to that group

codewords are often used to hide meaning or intention from anyone not in the group

groups that use codewords extensively include commies, racists, teens, politicians, military, conservatives, cops, criminals, drug dealers, gangs, lawyers, geeks, and spies

contrast "codeword" with "shibboleth", which is a word that identifies you as belonging to a particular group but doesn't have any special meaning
"Kenyan" is a white racist codeword for "nigger", as in the sentence, "The President is really a Kenyan". It's a way for upscale white conservatives and trailer-trash rednecks to mutually share their blatantly racist concerns.

shibboleth example: "As soon as that banger said 'aight', I knew he was a member of the Two-Seven. Only those OG's still say shit like that."
codeword by malcolmXfan August 25, 2009

Codeword Turtle 

When you tell your boyfriend you want sex without actually saying sex around other people you may or may not know.
Frankii: Codeword Turtle!
Jonno: Ok lets go you sexy thang!
Old Lady: Ohhhh Turtles are nice, I wonder why they're talking about them.
Codeword Turtle by Frankenpube November 15, 2009
More from Urban Dictionary
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
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