Verb; When one of your friends gets absolutely shit-hauled. Noun; Often includes sweaty dancing, chewing tobacco, constant hat turning and commonly partakes in "multi-friending"
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"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."
JR by Da Shiznit May 15, 2003
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.
The recording Artist Jr
JR by Mike Shorey May 20, 2004