Judge, Advocate, General is what it really stands for. It is an elite legal wing of officers trained as lawyers who investigate, prosecute and defend those accused of crimes in the military!
Tv Show JAG starring Catherine Bell and David James Elliott
by lil_mac January 15, 2005
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To party really hard, especially with alcohol.

I jagged my face off.

He out jagged his own body and now he's paying for it.

I'm so jaggin' right now.
by Hexis July 25, 2008
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A derogatory term for a person exhibiting uncommonly obnoxious ignorance or general douchery.
Tom: Is that guy parked in front of a fire hydrant?
Sam: What a fucking jag!
by jpb103 April 18, 2016
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Generally a really nice guy.
Will treat his girlfriend really well.
Is gorgeus!!!
Very amazing.. You'd be lucky to have him in your life.
Girl 1 : Wow, look at that guy over there he is gorgues!
Girl 2 : I heard he is really amazing tbf :)
Girl 1 : Wow, must be a jag :)
by Alilibabz April 28, 2010
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Jag is a Term, mostly found in Scotland as a Slang word for an Medical Injection.

However, They are not called a Jag once used, the name will return back to Needle, a Jag is actually when it is about to or within the Flesh of a person.
When She gave me the jag, she put the needle into a yellow bin.

Was your Jag painful?
by ScottishOne June 17, 2011
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1. To screw up
2. A situation that has been screwed up
1. Oh man, I jagged so hard on that test!
2. Our attempt to organize a frisbee game was such a jag...nobody came.
by arianasp1989 July 23, 2006
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somebody younger than you that you can go to for advice, trust, or just company. Age doesn't define wisdom. Age is only a restriction if you let it be and a jag is someone who is willing to always help people.
I wasn't having a good day so I went to my friend Ethan; he's such a jag.
by Vedo December 8, 2013
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