The Twilight Limit 

Named after Princess Twilight, the Twilight Limit is the maximum amount of magic a unicorn can safely contain. If a unicorn passes the Twilight Limit, its hypothesized that the unicorn would have no control of the magic, which would quickly consume the unicorn, making them a pure manifestation of magic.

Applejack: "So what would happen if somepony past the Twilight Limit y'all are talking about?"

Twilight: "We don't know actually, but we theorize that they would eventually be consumed by the magic and become pure magical energy. Who knows what could happen after that."

The Twilight Limit by MisterCooley August 11, 2014

Post Twilight Stress Disorder 

when you watch all of the twilight saga (9hrs 53 mins) and regret the past 10 hours of your existence, forever

UUUUUURRRRRRRRRGGGGGGGGGGHHHHHHHHH IT'S COMING BACK, THE MEMORIES, THE WOLVES AND THE VAMPIRES...... IVE GOT POST TWILIGHT STRESS DISORDER, SOMEONE PLEASE HELP ME!!!!!!!!!!!!!

Post Twilight Stress Disorder by Frau Kowalik May 15, 2018

Twitter Twilight Zone 

A zone of unreality and imagination , where every person and ideology exists , and they all hate you

Man that ideology doesn't exist dude , it's just a Twitter Twilight Zone.

Twitter Twilight Zone by Tzeentch June 17, 2020

valkyrie.twilight

Someone who use TikTok/Instagram

“Do you know who @valkyrie.twilight is?”
“Oh she’s someone who uses TikTok and Instagram but she’s really quiet.”

valkyrie.twilight by justadumbass December 29, 2020

The Twilight Feeling 

A strange phenomena that occurs when nostalgia, boredom, and the right music combine.

"yo dude you wanna game?" "Nah I got The Twilight Feeling."

The Twilight Feeling by Pajama Sam December 21, 2022

pulled a twilight on ya 

when someone gives you a hickey, the sucking of the neck.

What happened to your neck, he pulled a twilight on ya didn't he?

pulled a twilight on ya by pizzaaaa May 29, 2009

International Watch Twilight with your significant other day 

May 1st is internationally recognized as “Watch Twilight with your significant other day” So cuddle up with your spouse boyfriend or girlfriend and turn on the twilight movie saga

Boy:Hey Babe it’s May 1st you know what that means
Girl:Heck ya I do it’s International Watch Twilight with your significant other day Time to cuddle up Boo!!

International Watch Twilight with your significant other day by hippoman38279190 April 28, 2021