Commonly heard in smoke filled gambling holes in reference to a horse who has performed in a sub par manner and has usually cost a bearded old coot his fortnightly welfare cheque.
Often implies the animal in question may be only a short trip away from the glue factory.
Carn ya nag daddy needs a new bottle o moonshine!

Damned old nag! now i'm gonna have to beat my kids for their pocket money so i can get drunk tonight!
by Haggis McHaggis October 25, 2004
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To be nagging and extremely negative at the same time

For example if your going out of your way to help someone and all they do is nag and ridicule the situation almost comicly
Generally refering to wives of the middle age and above. The stage in their life when they stop caring.
Jason “what do you want from me i’ve done so much” kerchal “you havent done crap and this place stinks” jason”jesus your so nagative
by Hammbon3 January 29, 2018
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Nag. A nag is short for, New age gentleman

Means a Gentleman Online and in real life.
Girl 1: Hey I have been talking to gerald

Girl 2: How is it?

Girl 1: Nice and fun but he seems like a NAG
by Hadi OG May 18, 2015
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"Naval Academy Girlfriend" - the term affectionately bestowed upon the girlfriends of the United States Naval Academy (a prison-like college where Midshipmen (students) are put through many trials and tribulations which ultimately affect the life of their NAG). These women band together and have formed a sisterhood to support each other and their boyfriend/fiance.
Midshipmen A: Did you hear they changed the weekend policy?

Midshipmen B: Yeah, my NAG told me that a week ago. They find out everything before we do... it's scary.

Midshipman A: *sigh* I wish I had a NAG...
by 15jabroni December 16, 2011
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Complain, b---h, to give hell to someone.
Boss No. 2. Saints, please shut the hell up.

Boss No. 2. Okay, okay,I will kick that customer's ass for you, just be quiet and get back to work.
by Saints October 24, 2003
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Attained through nagging, vs been given freely or in exchange for money.
Has he chosen this ring or have you nagged it?
by Her Serene Highness February 22, 2015
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