Red Key 

Refers to the key fob of any Dodge SRT Model (Especially Charger and Challenger Hellcat) which are colored red.

Popularized by Growing Content Creator - Tito Suave

Broke Customer: Can you put me together on that red key?
Tito: How your credit my boy?
Broke Customer: It’s a Solid 300!
Tito: I can’t do that my boy!

Red Key by ls500fan February 20, 2022

Red key 

Used to describe a Dodge Challenger SRT Hell Cat buy it Red Key which is used to unlock all 707 bhp

Ey man did you see Jamie got that Red key challenger

Red key by Some MF online January 27, 2022

The Red Key

Original owner of a popular discord server, He got rejected for being mentally slow in the brain. He was a close friend to EpiNick as you may know, Red key also has the weakest 2k saiyan in Final Stand.

"Guy 1: Have you ever heard of The Red Key"
"Guy 2: Rarely, I heard his lame ass fell off"
"Guy 1: True, He's probably working as a backup doctor"

The Red Key by SpeakingFACTSRightHere March 4, 2021

Big red key

UK Police battering ram. Called the big red key due to it being big, red and used to open doors.

Police:Open the door or I'm going to get my big red key.

Big red key by Not*the*FBI October 21, 2020

redkey 

A very obese man who will slaughter you if he sees Twinkies he is a stone cold killer who will murder you in cold blood, he once ate an entire police station during trials, so the law is too scared to interact with his vicious crimes, he never weighs under 700 lbs and whenever he walks there is a huge earthquake that people would feel from Russia to America #he steals Twinkies under his tits they are his power source

Man 1: holy shit this is one big ass earthquake help

Man 2: dude chillax it's just redkey walking to the gas station for his hourly dose of twinkies

redkey by Nipplecancer337 August 17, 2018