a super cool guy who like video games and nice and wouldn't hurt anyone also super tall unlike Brendon c
by kimnmell March 16, 2021

by Attention_tobirds12 August 20, 2023

the act of a ginger haired jack mailing his green pubes to his friends, then traditionally the friends of the ginger will stick the pubes up their ass while proceeding to jerk it to a livestream on discord.
Person 1: "yo my friend did the dirty ginger jack to me"
Person 2: "That's sigma, did you stick they pubes up your ass and york it on discord."
Person 2: "That's sigma, did you stick they pubes up your ass and york it on discord."
by Toyota Camry March 10, 2025

by GoMango99 March 24, 2023

jacks are kind and caring and a wingman for all their friends. They are very small like seven dwarfs height but they are one of the funniest people you will ever meet.
Person 1 : “did you talk to that new jack kid he’s really nice “
Person 2: “didn’t see him “
Person 1: “you have to look down”
Person 2: “didn’t see him “
Person 1: “you have to look down”
by square head 101 May 24, 2019

A way to insult someone when you don't have time to properly insult them. It also can be used when you are at a loss for what to call someone.
by Minecraft 4 ever!!! March 25, 2013
