nightmare fuel

Something of an extremely disturbing nature, capable of inducing nightmares or other trauma. This is often something not meant to be disturbing. Popularized by "Mystery Science Theater 3000" and, later, James Lileks.

For some people, that S from Hell is pure nightmare fuel.

nightmare fuel by Noah W. Smithee May 11, 2008

wet nightmare 

When you fall asleep and you dream you're about to get laid, but then freddy krueger comes out and gets you off causing you to cum in real life.

Johnny woke up from a wet nightmare with wet pants after freddy krueger entered his dream and got him off.

wet nightmare by luckyfinnegan123 June 26, 2010

Nightskin 

Formerly a term of offense used against blacks, now used in reference to a powerful race of dark skinned individuals. It was first brought to light by tiktok user @tonyweaverjr, who piloted a reclamation of the word and incited the start of an entire community of writers, artists, musicians, and others who create empowering content for the fictional universe.

I am the Ebony Warrior, leader of the Dark Brotherhood. I call upon my nightskin brothers and sisters. Our time is now.

Nightskin by JN3XUS May 2, 2022

Nigative 

Telling a Black person NO.

Jamal:" Yo can you hook a brotha up with ya car keys? I wanna take that heap for a spin."

Frank: " Thats gonna be a Nigative Jamal."

Nigative by be rad heezy January 8, 2011

Nightwing 

The original Robin, also known as Dick Grayson.
Quite possibly the coolest part of the Batman everything.
Nightwing is a badass mofo with long black hair and ninja moves. Very shweet!

Dude 1: Dude! Batman is on! Let's watch!

Dude 2: Is it the one with Nightwing?!?

Dude 1:...No.

Dude 2: Well fuck that then!

Nightwing by Josh-o-matic December 16, 2008

Nightingale syndrome 

The Florence Nightingale effect is a situation where a caregiver develops romantic feelings for their patient. Many often misunderstand the term to mean the opposite; that is, a patient falling in love with the caregiver as a result of interpreting an amiable bedside manner as affection.

See Florence_Nightingale_effect on Wikipedia, often confused with Nightingale syndrome (which is something else entirely).

Nightingale syndrome by Walkman100 January 19, 2016

Nigatoni 

The most powerful being in the universe

Matt: yo you saw that thanos finna eat my ass
Jerrmy: don't worry my nigatoni got us covered

Yo my nigatoni, you a goat

Nigatoni by Asscheecks March 11, 2019