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1. jr
a pimp player who has the biggest dick in the world and a joker wild
damn that guy is a jr!!

2. JR
WWE Commentator and Oklahoma native Jim Ross
"Bah Gawd Austin took out that sumovabitch Jericho"
by Dan Nov 27, 2003 share this
3. JR
A Huge Rotter, or scoundrel. Someone who is unimaginable annoying; someone you can't stand, but for some reason he thinks he is your best friend.
He isn't really my friend, he's just a JR.
by Neal Nov 5, 2003 share this
4. JR
A player who played a internet text based myspace game, who acted with such stupidity and ignorance his name became a insult to others.

1.) a stupid person
2.) a stupid descison
related to idiot
You're such a JR.

That is such a JR thing to do.

Dont be so JRish.
5. jr
he's the best guy in the world and i love him to death!!!!!! he's my hun!
hot guy who cares a bunch!
by Carly May 19, 2004 share this
6. JR
East Japan Railway Company.
"Haha, Mike got so drunk on the Masushita Express that when they got to the next station JR agents were there to escort him off the train."
by Da Shiznit May 15, 2003 share this
7. JR
Originating in the 1950`s. Another word for a serverly obese human being that is not good at anything to do with sports. Also another word for a dougnut. Many " JRs " are known to have a tiny penis and an extremly large rectum.

Parents sometime name there child JR if they are noted by the docter that the child is over 100 pounds at birth.
Justin: Jeeze

Hunter: What?

Justin: That person over there is huge!

Justin: yeah, he sure reminds me of a JR
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