nickname for James.
Other examples of such nicknames include: Jimmy, Jimmie, Jimbo, Jamie, and many others.
Psst...I think Jim has a crush on Carol.
by Brittany Perrault April 15, 2008
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Someone who joins in (A conversation/ Party/ Whatever)uninvited. Derived from American Pie.
Jim in the first party scene of American Pie joins a conversation by laughing his way in and gets completely rejected.
by m-rl-ee May 16, 2007
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Yet another name of Rosie Lambert, Manchester Road.
Adrian: Jim, look after my laptop please, those kids are going to steal it!

Jim: Yes of course my dear
by $ukh February 1, 2007
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Someone who talks down to or belittles someone else or basically treats that person as if they are of a lower life or class. This is best exemplified (and named after) in the popular show "The Office" when Michael or Dwight do something silly and Jim gets that look on his face like Michael and Dwight are children. The person who acts like he is in someway superior to other people is the "jim."
Wow, that kid's being such a jim.

I just told a joke but my friend didn't like it and was being a jim about it.
by MichaelGaryScottxxx August 19, 2011
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To just chill out, hang around, relaxed, laid back, not doing something.
Someone who's looking somewhat high, but nobody's quite sure. There is confusion involved also.
Cool.
See chill.
1. Get off, I'm just jimmin' here!

2. Most of the time, Sarah just jims around, doing nothing.

3. Quit Jimmin', we'z gots work to do.
by PatD September 17, 2003
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The ultimate word modifier. Used to accentuate any type of feeling, behavior, or action.
Man I'm so fucking Jim-hungry right now. I could really go for a Jim-delish burger and fries.
by Skone82 March 7, 2009
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A Jim is an extreme hangover following moderate drinking. When your head throbs and your stomach turns, this is a Jim.
Drank a whole two pints last night; I have a right Jim on today.
by M.Toxi February 9, 2007
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