jj

Short for "jiu jitsu"

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

by Sugarplumfairy42 January 30, 2019

JJ

A kid that beats his jay and watches naruto and after the ep done buys everything from the show and goes to school killing everybody and say lines from the show while doing it during pe get choked out almost to death and raped by the football team

Jj was getting choked

by The lost j February 23, 2019

JJ

He is a sad little guy with a small dick

"Get ready for a shit night, JJs here"

by Roosh69 March 31, 2019

JJ

usual mexican likes spicy chips NEVER brushes her teeth and NEVER showers she is also very weird

boy: hey did you hear about JJ ?

girl: about that she doesn’t shower or brush her teeth ?

boy: YEAH

by 5ivewashere April 30, 2019

JJ

a gay ass homo that really needs friends always wears a hat and hoodie, needs cologne (he thinks) inside hes nice but is too shy to show it dates fags that names begins with S . dosen't like genaric peope and needs mental help (alot)

jj is weird know you know that jj

by give me a fu**ing name May 1, 2019

JJ

The one kid who plays Fortnite and sleeps

JJ is a sad person who plays Fortnite

by URBAN OUTFITERS May 11, 2019

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