A Die-Hard Who Dat is someone that shows extreme, absolute or complete loyalty for the New Orleans Saints even when they are playing like they did back in the 80's. A Die-Hard Who Dat could also be someone who is a member of The Big Easy Mafia fan club, where "Once You're In..... You're In For Life"
The Superdome is filled with Die-Hard Who Dats. They are the only ones who would show up with them playing like this.
by NOLAmayor October 13, 2015
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Phrase meaning that stopping learned behavior is almost impossible (i. e. only stopped after life). Famous through usage in the ending cinematic of 1994 PC-Classic System Shock and as title of a song from the 2004 romantic comedy-drama Alfie.
Hacking into yet another corporate network? Old habits die hard.
by DeprimierterCottbuser July 21, 2018
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An alternative holiday to Christmas, Hanukkah, Kwanzaa, etc. Observed from December 1st through the 25th this holiday celebrates the single greatest holiday movie of all time, Die Hard.
Mike - I'm so sick of the over commericalization of Christmas.

Joe - Why don't you celebrate the 25 days of Die Hard instead?
Mike - Yippie-kai-yay, motherfucker!
by YaakaFett September 23, 2009
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A wannabe or try hard that makes it so important to get a look or style that it is all they think about, and they try so hard to fit what they want to be that you can blates tell they are trying.
1. You could tell she was a try hard when she got coontails like kiki kannibal, but when she also copied dakota's leopald pattern there was nothing left to call her but a die hard try hard.

Ash: I'm hardcore
Me: You're hardcore alright.. try-hardcore
by ieatemosforbreakfast July 22, 2008
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a fan who wins and loses with their team. knowing that their team hasnt won a stanley cup yet, but knows one day it will happen and it may not be tomorrow but is still standing up in the crowd, alone, when the Sabres are down 4-1 or more cheering and motivating the Sabres!
Caitlin and her friend Mike stood by the Sabres when they had a 10 game winless streak in January but still loved the team. A die hard sabres fan wins and loses with their teama nd knows what it takes to be a real believer.
by Kaleta's Girl April 1, 2008
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This is written on the edge of the dolime quarry cliff, its meant to be a bit of motivation for your pussy friends you bring there.
dude! just f***in jump, we just came all the way out here for this!!! you either free fall or die hard!!!
by BLACKLABELsxe June 24, 2011
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The fecal backup that occurs after watching every Die-Hard movie, one after the other, without any breaks.
Dude have you seen Chuck lately.

No I heard that he got Die-Hard-rhea last weekend.

Damn that sucks.
by ethn.hsmn July 23, 2011
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