harlem night 

Harlem night(plural being harlem nights) are an unspecified amount of time(could be a minute, hour, day, etc) filled with nothing but complete Ls and despair. The opposite of a harlem night would be a balling night.

Person A: This Hero main keeps beating me in Smash!

Person B: Damn, that's a harlem night for you.

harlem night by TotallyNotRockman#3581 March 28, 2020

Ninja in the Night 

When a ninja has mastered the arts of night stealtage and has gained the use of all 6 senses (including the psychic abilities they gain through deathly training), they are able to go out and ninja in the night without worrying about jerks spotting them.

Guy: "Dude, did you see that?"
Dude: "Guy, stfu and get me some pie."

Ninja in the Night by Nathan March 1, 2005

Devil's night 

The night of october 30th.
It began in the detroit area and spread to the reat of the country.
It involves everything from a harmless prank to burning buildings and is also celebrated by teens holding Black mass in secluded wooded areas ect.

Are you celebrating Devil's night this year?

Devil's night by Deep blue 2012 September 21, 2009

All Night Long 

The headiest of heady.

"Dude, that place has a mammoth burger. When she handed it to me I was like... 'ohhhh all night long!'"

All Night Long by imtheantelope June 27, 2008

Sneaky Night Muppet

(1) One who moves with great stealth in the shadows, and attacks without remorse.
(2) A Lurker assasin who makes little or no noise until it is too late.
(3) A cold-blooded killer that gets inside your head and kills you from within.

Before we knew what was going on, the Sneaky Night Muppet was upon us, inside our base, killing us off one by one.

Sneaky Night Muppet by Websters June 15, 2004

A Night With Rachel Price 

An amazing night; an occasion where everything goes well; a dream come true; a time spent with someone very important that went exceptionally well without drugs, sex, alcohol, or any other teenage self-destructing device.

Dude 1: Hey man, how was did last night go?
Dude 2: It was just A Night With Rachel Price.
Dude 1: So I am guessing it was good?
Dude 2: It was great.

A Night With Rachel Price by Colton Shane November 16, 2007

nighty-night

To go unconscious or pass out.

He went " nighty-night " when he got hit over the head by the snowball.

nighty-night by Paco Rivera March 16, 2005