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Fedposter 

A fedposter is an imageboard or forum poster who is most likely a federal agent. Originating from 4chan's /pol/ board and associated communities, the term refers to a poster who openly calls for violence against others or encourages one to break the law in some manner.

The fed part of fedposting comes from the fact that these posts are either made by federal agents hoping to entrap someone into saying the same thing and getting visited by the feds for it, or by naive people saying the same things and ending up with visits from the feds.
Chances are if somebody is talking about blowing up a religious building on /pol/, they're either a fedposter or they're getting a visit from the feds real soon.
Fedposter by Mjfan13298 May 30, 2019
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fedmyster 

Once known as a offline tv streamer. Rumor has it he has been abducted by his own mods. No ransom has been declared nor his whereabouts.
Fedmyster will always be remembered as the content god, condolences to the chat and Imane
fedmyster by Legionofalpha April 18, 2018

fedmyster 

Pokimanes other half.
You cant have Pokimane without fedmyster.
fedmyster by BreadlikesOppai April 18, 2018

Fedmyster 

Only posts once a month maybe twice. Starves his mods
Fedmyster is streaming POGGERS
Fedmyster by JustinWaddles April 18, 2018

fempostor 

A transwoman especially one who had a low effort transition. Combination of the words "female" and "impostor".
Be careful,dude. That fempostor has a hard-on for you.
fempostor by OddSoul February 14, 2021

Fedmyster 

Fedmyster is the best streamer that rarely streams but makes quality content
Fedmyster: Fed7 in the chat for Daily Streaming

Fed’s inner self: sike
Fedmyster by JustinWaddles April 18, 2018

femosterone 

1. the fuel of Feminist zeitgeist.

2. of or pertaining to masculine gender qualities among females
The womens liberation movement was fueled by hundreds of years of oppression, and the femosterone of stagnant female factory workers expected to return to the household role prescribed to them by US men following WWII.
femosterone by jefferino69 October 5, 2009
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
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
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