perhaps one of the most joked about tragedy (see the holocaust for similar results) and every time it tends to be funny as fuck for reasons we are unsure of.
me: *watching a meme compilation*
* a clip of a plane flying into the twin towers on the date of 9/11 2001 plays*
hey watch yo jet bro... WATCH YO JET!
*EXPLOSION*
by burnt waffle headass December 6, 2018
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A sad day where america lost 2,998 people. Where the World Trade Center and The Pentagon was attacked with airplanes.
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When the Pentagon was crashed into, he grass around it was smooth enough that you could play golf on it. When planes crash they leave some kind of debris.

None were found at the crash scene.
by HyperactiveToothpick June 8, 2005
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the day that screwed up america and all of its allies royally (well, only the ones that actaully declared war with the jackass). also the day that made america hate bush 10x more than we did in the first place. but more, it was the day when not only everyone was scared for life and/or lost a loved one, it was also a day when thousands of our loved ones were going to be sent to their meaningless deaths in the middle of the desert.
god bless america? how are we blessed when hundreds of ppl are dyin a senseless death everyday?
by gunslingergirlvy_c_e July 18, 2005
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Bad news. Referencing the tragedy that occurred in the U.S. on that day (September 11), "9-11" has taken on the connotation of any unpleasant event that has transpired.
Carl: "Evan, how'd you do on the chem test yesterday?"
Evan: "Don't ask, brozay. That shit was 9-11."
by stockman09 August 13, 2007
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One of the worst government cover-ups in US history. Truly a sign that America is becoming an idiocracy. If one was to pinpoint the fall of Corporate America, one could say it would be on that exact date. The events created a whole new level of unnecessary fear and confusion.
Anyone who doesn't think that 9/11 was a cover-up in some way must be dumb.
by alwaysquestion911 June 29, 2010
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A day on which terrorists (supposedly from the Al-Quaeda network but what do we know, it's our media after all) hijacked 4 planes. 2 hit the World Trade center Towers, toppling them. Another one hit the Pentagon. The fourth was surmisedly aimed toward the Pentagon as well, but the passengers re-hijacked and crashed it. Overall, 3000 people died. Some people say it was a conspiracy. Some believe the government's story. Some tell people to shut the hell up and stop grieving because they say they had their chance to grieve, while in reality they just didn't get affected directly (how do they know the one talking about September 11 wasn't?). Yet more make a point of the fact that the U.S. does far worse things. My opinions don't matter. What does matter is the repercussions and how our government handled it, shouldering off all the aid attempts from the UN after asking with open arms for assistance, as well as to start a couple oil wars. But I digress.

In summary, 9/11 stands for september 11th, 2001. That was the date of the terrorist attack. It symbolises different things to a lot of people. My only oninion I'll stick in is that people should keep their views to themselves. You could really offend someone talking about that, and possibly get your ass kicked to Nebraska.
by Fugerko.? December 27, 2003
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