Nightirio 

Huge sexy man that can snap your spine in half using 0.000372% of his power. He is also a genius and is very rich

Gurl: Nightirio is such a genius badass
Girl: I know right
Gurl: I wish he would penetrate me with all of his might
Girl: Same

Nightirio by Cuminus_Cock August 12, 2021

nightgarger 

A scary creature from Glaggleland, who resides in the deepest areas of a nearby forest. If you see him, you're done for. Unless you're smart. The Nightgarger is okay with intelligent people. He also never leaves the forest for whatever reason.

Giggler: "Holy shit dude, I think I saw the Nightgarger roaming around Glaggleland!"
Glaggler: "No you didn't"
Flumber: "Flum!"

nightgarger by FlumberFan9448 June 8, 2023

Monday night girl

A girl you don't introduce to your parents or your friends. She serves her purpose, sexually, maintenance fee's are real low. But she does not get top date night billing like Friday or Saturday night. She may move up higher in the rotation if she can cook bonus if she does your laundry

My Monday night girl is coming over to make me a meatloaf and blow me watching football. Hope I beat the point spread on the shop football pool

Monday night girl by HO- HOPR October 13, 2022

Nightbird 

A counterstrike source player that ack's like a predator running and shooting with a para.

join the true grit monster server to see someone with a kill death ratio 45-5 that b a nightbird

Nightbird by neverhomosapian July 2, 2012

Nightworld

A term used by highway racing clubs to describe the optimum conditions for late night highway racing/speeding at horrific speeds, often exceeding 300 KPH. For racing conditions to be considered "nightworld", there must be little to no traffic, no excessive rainfall, and no earlier than 10:00 PM.

Racer 1 : "Look's like its gonna be nightworld tonight. You running your Supra tonight?"
Racer 2 : "Yep, it's been months since it's been nightworld."

Nightworld by THEWASHINGTONGREATBEAST February 12, 2019

nightgrammer 

A programmer that usually codes at nightime or that prefers to code at nightime.

John is a nightgrammer, he likes to develop code after 9:00 p.m.

nightgrammer by Markrow May 13, 2021

Nightfill 

A department in retail full of school dropouts and hopeless blokes occasionally has a retard

Jerry- I work nightfill
Steven - oh so you failed school

Nightfill by Martygomad November 23, 2021