j-rocker 

A j-rocker (or jrocker) is a member of a Japanese rock band. (i.e- Kyo of Dir en grey, Ken of L'Arc-en-Ciel, etc)
See J-rock

Some people say that Gackt is a j-rocker, yet he is not.

j-rocker by SoyQueen September 21, 2005

j-rocker 

A J-rocker is a person who listens to Japanese Rock, it isnt very big in some countries but is huge in Germany. J-Rocker scene isnt also that big in United Kingdom there are only small minorities.

The whole J-rock/Visual Kei scene is about looking good aswell as the music. Visual Kei and J-rock are linked in with one another.

J-rockers as the minority; usually dress with extravagent hair colours and all different clothes, usually males show there feminine side.

Scott: Im a J-rocker!
John: Eh...im a emo...

J-rockers are way cooler....

j-rocker by Aruzo July 1, 2007

[Rocket J] 

Any hyper or rambunctious acting person whose middle initial begins with the letter 'J'.

Hey, cool it Rocket J, you're going to hurt yourself!

[Rocket J] by Rocket J January 8, 2009

J. J. Rockett 

1. n.: formerly "the sexiest man in the Extreme Wrestling Alliance" "Heartthrob" Johnny Rocket, tragically killed in a wrestling match; last words were "it...is...finished--BLEAAGGGHHH!"

- Oh my God! J. J. Rockett has been killed! I don't believe it!

J. J. Rockett by Council For and Of Nyah (CFON) September 29, 2003

J.D. Rockerfeller 

A super-rich dude who sits around all day in his "to-and-fro-motion" easy-chair while the rest of us slave away to keep him comfy.

I wonder if J.D. Rockerfeller ever thought about all the trouble he was causing the world while he was sitting on his porch just rockin' away?

J.D. Rockerfeller by QuacksO March 13, 2019