A term used by the I Wanna Lockpick community to represent a very large number. It's very large that it's incomprehensible.
Person 1 playing I wanna lockpick: Yo Person 2, I just got 1. j keys
Person 2 watching Person 1 playing: What?? How did you do that??
Person 2 watching Person 1 playing: What?? How did you do that??
by mreatha February 4, 2025

The social media trend where posts like "the name of the most racist person in your friend group starts with ..." almost exclusively use the letter J, actively discriminating against Jonathans, Jims, Jacobs, Joshs etc.
The current j-cism happening in the internet is deeply concerning.
Don't be a j-cist, use different letters for your dumb posts too.
Don't be a j-cist, use different letters for your dumb posts too.
by hadespelorios December 27, 2023

Japanese author with a fascination in history. He may suffer from a degree of autism, but his personality really shines through!
We pray he will get better.
We pray he will get better.
Person 1: Do you know Kenyon J. Gohata-Chen?
Person 2: Of course! The author of "When Trouble Comes"
Person 2: Of course! The author of "When Trouble Comes"
by KJ Gohata-Chen January 17, 2024

"Yo dude what your favourite letter in the alphabet?"
"My favourite letter is P"
"P is such a bad letter. J is sooo much cooler"
"My favourite letter is P"
"P is such a bad letter. J is sooo much cooler"
by IAmMentallyStable April 11, 2022

The acronym for James and Toby's Ressing Cue, an episode of the web series Thomas' Dreamy Misadventures.
by wemournourdemocracy July 12, 2025
