jj

Short for "jiu jitsu"

Last night I went to jj and beat a brown belt.

by Sugarplumfairy42 January 30, 2019

sa-jj

best.person.ever.

lol-iwanna-brag-that-sa-jj-is-in-mylyfe&not-yours. <3

by gerarduriestump October 8, 2018

JJ

a JJ is type of person who is hated by everyone.he will insult you if you go 1m next to him.he uses catch frases like :freaking frik

Omg it’s a JJ run for your life.
This guy is really a JJ

by Rakann06 April 4, 2018

JJ

JJ is the new JK.
JK is an abbreviation for 'Just Kidding'

JJ is an abbreviation for 'Just Joking'
Both may seem asbif they're the same when being used, but JJ is the new trending way to tell someone you're not being serious, you're just joking (JJ)

Hey! You're stupid! JJ!

by Bqmbi July 7, 2019

JJ

He is so nice, He can rap, play Sports, he can do anything but he can’t get girls because he is fucking ugly.

Girl: JJ is so nice, but he is just to ugly.

by Jalaxy November 5, 2019

JJ

pretty epic guy

Hey look its JJ

by KhakisUrbanDictionary November 8, 2019

Ryan JJ

Overly sensitive man whore who likes to f###s anime full body pillows when he gets rejected by another girl.

"hi Ryan JJ"

by Good boy 49 November 13, 2019