Midnight Creeper 

When you wake up in the middle of the night and start having sex with the girl sleeping next to you.

Joey said "Hey man I woke up in the middle of the night with a raging boner so I gave my girl the ol' Midnight Creeper"

Midnight Creeper by geoffstacks June 17, 2009

Midnight Muff 

Waking up from a deep slumber with a vagina in your face.

Steve: Last night I woke up to a sweet poon tang on my face!
Mike: Ah good old Midnight Muff, my favorite!

Midnight Muff by eqsux January 20, 2015

Midnight Retardation 

Midnight retardation happens in the late hours of the night when you are so tired that you can't think of anything meaningful to say, so you just talk about bulshit topics all night with the homies.

You can't fully explain midnight retardation, but everyone's felt it once in their life.

Damn that midnight retardation be hitting hard.
I like dolplins as well.

Midnight Retardation by sasho184, sashimi April 15, 2022

Midnight 15 

When you stay up past Midnight and eat and cook unhealthy junk food, can't exercise because it's late, and you end up gaining 15 pounds of more in one year.

*Midnight.

Tom: *eats the refrigerator.

*one year later.

Tom: Hey Tyler! I keep eating at night and gaining 25 pounds.

Tyler: Sounds like Midnight 15.

Tom: Stupid Midnight 15!

Midnight 15 by HawaiianPunch1 June 24, 2023

midnight black 

The second coming in disguise. Known as the lord, or more lovingly, "Middy". they're known for their secret sparklefursexyanimebeast transformation "MIDNIGHTBLOOD BLACKFANG"! they're married to the gorgeous 500 lb "Heavy" Rain. they're known for their strong view of "guns don't kill!" and how they're the one to make the devil go running just with one striking glare...

"Have you heard of midnight black?"
"Midnight black?"
"DON'T YOU DARE QUESTION THE MIDNIGHT!"

midnight black by Midnight Black Worshipper August 6, 2015

midnight material 

Pornographic or stimulating images that are viewed at exactly 12am For the purpose of singular or multiple orgasms

The Sam C only views his midnight material at the previously mentioned time

midnight material by anonymous February 2, 2018

Midnight Blues 

A feeling of intense sadness and shame for the past or the dreading of events to come, stemming from overthinking as a result of sleep deprivation. This often occurs late at night, but can usually be remedied by simply sleeping.

“Babe I’ve been crying again, I miss you so much!”

“Just get some rest. You’ve got the midnight blues.”

Midnight Blues by Carnefice July 24, 2019