A huge concert series by Avex Trax that showcases their hottest stars; including Ayumi Hamasaki, BoA, & Koda Kumi. This usually lasts for about a month in the summer, and it visits many major cities throughout Japan.
I can't wait to see Ayumi Hamasaki at A Nation this year!
by heyyo134 June 28, 2005
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To put something serious up on your gang or on your set to prove that you telling the truth
Person 1: Man theses niggas just tried to five

Person 2: For real lord

Peron 1: On nation
by Jaydoedadon December 8, 2017
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An indie-rock band from Brooklyn. They have been on David Letterman and have several albums, including The National, Alligator, and Boxer. Their main members are Matt Berninger, Aaron Dessner, Bryce Dessner, Bryan Devendorf, and Scott Devendorf.
The National, Boxer, Alligator, Fake Empire, Mistaken for Strangers, Karen, Looking for Astronauts, Daughters of the Soho Riots, Apartment Story, Brainy, Green Gloves, Slow Show.
by Z ed March 15, 2009
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A short form of the Dads Facebook group Dad Nation.
“Hey did you go on the Nation Today?”
“Of course I did. What do you think I’m a gaf?”
by Smithd33 March 19, 2019
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Person number one: "Wow! You have blue eyes, a Semetic nose and African hair. What's your nationality"?

Person number two: "American".
by wrd nrd July 27, 2013
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A unifying pride and belief in ones country and the citizenry involving traditions, actions and history.
A nationalistic government would serve to establish laws and policy for the benefit of the citizenry on behalf of the citizenry.

-Damn I wish America had more nationalism in government, then maybe our politicians wouldn't sell out our country from under our feet.
by eloas March 21, 2009
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Extreme pride in one's own country and a disregard for international opinion.
CDONationalism
by Darkflash October 6, 2014
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