Skip to main content
Niero is the highest in the heirarchy of the word cool. Niero is more zoomer and not as Boomer as saying "cool". Neiro is not to be confused with "neat-o" and is not to be used as a conversation ender a boring conversation filler.
Example 1: Damn LaurieAnn, did you just peep that last ep of live PD? It was Niero.

Example 2: RoeB.Wade, want to go play golf of this new Niero ass course downtown?
Niero by LaurieAnderSalamander January 12, 2020
Urban Dictionary Merch
Your favorite words on things you can wear, drink from, read, or give to a friend.
The Urban Dictionary Store sells gifts you’ll have to explain.

Nierenjuice 

Common german word for "piss" or "pee".

Nieren (kidneys) produce their own yellow juice.
"Hey Tom, let's have some fun and fuck! I wanna give you my Nierenjuice!" — “Ohhh yessss ahhhh gargl glaaaarghhhh gaaarglll!" — "Yeah drink my Nierenjuice!"
Nierenjuice by gollomosh December 13, 2022
Related Words
Niero • Nierosha • nero • nier • neron • nieko • neiro • Nero Claudius • neroli • nibrod

Brother Nero 

A name created by Matt Hardy best used to describe a unfaithful traitor(namely Jeff Hardy)
Brother Nero shall be deleted from the history books.
Brother Nero by Señor Benjamin August 26, 2016
A one of a kind, fantastic girl. The girl who can always make you laugh. She's crazy, amazing, caring, artistic, and just plain wonderful. She's beautiful and unique. Tends to have random obsessions. Neroli will be the person who makes you smile when you feel terrible, and makes you laugh until you can't breathe. Has an amazing taste in music. Is not afraid to be completely herself, and was born to stand out. Respects herself, and is completely comfortable in her own skin. Has a way of making everyone around her feel happy. Neroli will be totally mental sometimes but at least she will never be afraid to be crazy. Because she doesn't care if stupid people judge her. It would be their loss. All around beyond amazing.The best friend you will ever have.
"Wow, what is that girl doing? People are looking"
"Must be a Neroli, she's weird but she's so cool I wish I was her."
"Man, you're right. I'm jealous now, that girl seems awesome!"
Neroli by thepersonwhoisreally cool November 25, 2011

Brother Nero 

A name created by Matt Hary best used to describe a unfaithful traitor(namely Jeff Hardy)
Brother Nero shall be deleted from the history books.
Brother Nero by Phoenixrana June 13, 2016
noun; the combination of the word rod and the slang word "fig-nig" for the popular snack known as a fig newton. (i.e. a long fig-nig bar)
"Man, I wish Nabisco made nigrods instead of the normal fig newtons!"
Nigrod by mbloom June 3, 2021

NicroVeda 

A Canadian man who was the first person on earth to achieve sub one with 59:59.25 on Super Mario Odyssey.
Did you hear NicroVeda got sub one!
NicroVeda by FearsomeFire March 25, 2019
More from Urban Dictionary

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
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
Load more