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Not safe for deez nuts. AKA not for guys idk
Bro that $#|+ NSFDN
NSFDN by Hidethekidsthemilkmanishere February 14, 2021
Words you can keep
Not safe for neighbours means that you're listening to House Music and turn up the sub and bass to adequately buzzing levels. This of course is not safe for neighbours and will be sure to piss them off.

NSFN means you will get a knock on the door to turn that racket down, but at least you won't be able to hear the door!
Just listen to that bass, turn up to max volume NSFN!
NSFN by Benny XI August 18, 2020
Not Safe For (NCT) Dream.

Term used for accounts who write or talk about Dream members in a +16 way, not trying to sexualize them and usually censuring their names.
"if you don't like nsfd, just don't read it."
"nsfd accs are not illegal since all nct dream members are +18."
"if you don't want to see an nsfd acc, just block, don't report."
nsfd by tareine August 9, 2020
Not Safe For Dave, the average coworker. It is important to remain neutral with all Daves in your life, forcing you to hide your weird shit from him.
Neil: Why is this forward marked NSFD?

Josh: It talks about furries man, Dave hates those furries.
NSFD by nerdtheman January 27, 2012
Not Safe For Dorm. Generally used to describe content that could be offensive to a dormmate, usually sexual or gruesome in nature.
Deon: <insert website here>
Matt: nsfd?
Deon: uh....yeah.
Matt: ....WTF!!!
NSFD by burkhartmj January 26, 2008
Not Safe for North Dakota, who decided a fertilized egg has the same rights as a human. Thus an image of an egg being impregnated by sperm would be NSFND since it is, in their eyes, the same as a woman getting raped by many men.
Science: And here, in your health books, you can see that this little guy who has less brain cells than a fly, is impregnating the egg. Mind you, trillions upon trillions of these sperm are killed every time a man masturbates, and same goes for the unfertilized eggs, which are not living things. Hell you kill smarter things when you eat meat or step on bugs.
North Dakotan: HEY I CAN'T VIEW THIS! IT'S NSFND! AWW GEEZE, MIDGE!
NSFND by DougYoung March 2, 2009
Not safe for dentist office
Hey this video you sent...is it...NSFDO?
NSFDO by ToriTerrific September 8, 2022
More from Urban Dictionary

Back when I lived in upstate new york 

A meaningless, unimpressive, self-serving introduction. An indicator that the story about to be shared will be pointless and dumb.
Back when I lived in upstate new york, I also had to park on the street - on two occasions, we got enough snow, mixed with just the right plowing, that my car was lifted off the ground from so much snow being jammed underneath it.
Word of the Day on August 31, 2026
Acronym, meaning Too Long Didn't Understand
Similar to TLDR
Sister: This meeting was to discuss the rough draft of my essay, where we discussed the subsidiary questions I added in my rough draft. We also discussed the relationship between my main title and the real-life situations I chose to use in my essay. We discussed the structure of my essay as well, specifically the Math AOK section and how it relates to the contradiction of the title. This second meeting was particularly helpful in discussing the implications of my essay claims and how to apply the title across various areas of knowledge. There were many sections of the essay that could have been cut down in wordiness and the ways of knowing required further and more in-depth analysis.

Me: Woah! TLDU!
TLDU by L-Evans January 14, 2019
Word of the Day on August 30, 2026
the act of having anonymous sexual encounters with other men in public toilets.
Cottaging by greeef April 24, 2003
Word of the Day on August 29, 2026

Salad Days 

green inexperienced youthful judgement and cold blooded execution of those judgements.

Rashness with little concern of consequence.

Antony and Cleopatra. William Shakespeare

"My salad days,
When I was green in judgment, cold in blood."

- William Shakespeare, Antony and Cleopatra, 1.5
"How did you end up in jail?"

"Salad days, 'nuf said."
Salad Days by GilbyRFC0 October 7, 2011
Word of the Day on August 28, 2026

age gate 

An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"

Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."
age gate by Banja January 7, 2011
Word of the Day on August 27, 2026

board chow 

A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.

B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.

B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*
board chow by BinaryHackerMan September 3, 2007
Word of the Day on August 26, 2026
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