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JJs is Harris J's fans named

If you are his fans then you are called a JJs
I fall in love with Harris and I think I'm are a JJs now
JJs by Sabillagnes97 May 14, 2018
Jiggly juber syndrome
Normally diagnosed by a funny dad
Applies to fat people on jetski’s
Ryan has jjs”

That guy over there def has jjs”
JJS by Uilfhunter69 May 28, 2021

Hop on JJs 

Hop on JJs" is a slang phrase used to invite someone to join or play the Roblox game Jujutsu Shenanigans (JJs). It’s commonly used among players to encourage friends to jump into the game together, often in a casual or excited manner.
"Yo, hop on JJs!"
Hop on JJs by Jacobthespartan February 22, 2025

JJsexual 

When you are in deep in love with JJ maybank you would actually get run over by a bus for him
ME: oh I’m JJsexual
JJsexual by moshmosh January 1, 2021
A shitty lego exploit that doesn't work half the time and gets you banned the other half, yet 12 year olds claim it's better than Synapse.
I didn't want to pay for a decent exploit that's hard to detect, so I used jjsploit and now my computer is wheezing more than a severe asthmatic in the smokestack of a coal power plant. I'm also permanently banned from roblox.
jjsploit by DumbCunt3246 October 6, 2020
A shitty Roblox exploit with spyware and trojans.
skid 1: hey bro whats a good exploit

skid 2: you should try out jjsploit its really good!
jjsploit by Maxyymus September 14, 2020