8
A scientific theory which describes the history of the universe from a time when the universe was roughly 10^-43 seconds old to billions of years into the future. The Big Bang is the most successful cosmological theory ever conceived for explaining every observation that has been made to date.
The protons that you see around you today are all a product of the Big Bang.
by Jschroed March 02, 2004
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9
In the beginning there was nothing, which exploded.
Curious child: "How was the universe created?"
Guy who thinks he knows everything: "The universe was created in the Big Bang, where there was a huge explosion, and all the matter was spread everywhere."
Child: "What exploded?"
Guy: "The universe."
Child: "But then the universe existed, it was just small."
Guy: "Yes."
Child: "Then how was the universe created?"
by Schlangadang October 27, 2006
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10
The universe didn't explode out of nothing, stupid. Anyone with half a working brain can reason that the concept of "nothing" is a big fat lie. Scientific evidence points to the theory that the universe we live in is constantly expanding and contracting. In other words, the universe has quite possibly always existed. If you want to be deep and spiritual about it, you could say that the universe (and other universes, or just all of creation) is God Himself. Maybe. How would I know? Nobody knows.
ANYWAY, according to the Big Bang theory, in the "beginning" the universe, ALL of the universe, was a hyper-super-ultra-mega dense ball of stuff. It was SO freakin' dense, it burst and expanded. The universe will continue to expand until it can't anymore, at which point it will begin to contract upon itself, becoming more and more dense, until the whole process must repeat itself again. Forever and ever.
Everything has always existed, but in the "beginning" it was simply travel sized...Until the Big Bang happened.
by Everbound Venvel January 26, 2009
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11
The sexual act of oral sex when the male, or female, is eating a female out and suddenly pours a reasonable amount of Pop Rocks into the vagina, thus after licking the candy, the after effect is the sensational pleasure of nonstop crackling.
YO I gave my girl the Big Bang last night and she loved it.

Oh my god girl you wouldn't believe how good that Big Bang felt!

I don't know a lot about the history of how the world was created but he created a whole new world for me with his own Big Bang theory!
by Freckles McGee September 26, 2011
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12
by JJ Caez August 27, 2006
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13
A disproven theory that people bring up all the time anyways. If all matter was at infinite mass and infinitely small density it would not explode, it would become a black hole, the universe would end where it had begun. The universe has always been here and always will be and there is no easy happy way of looking at it. Don't believe me? Ask Hawking, and then stfu about the big bang.
Johnny: I believe in the big bang theory!
Bobby: ::breaks Johnny's jaw:: the universe has always been here and always will be, stop believing in any and every dumb little theory that makes you feel more secure in your existence and live with the fact that you'll never understand it.
Johnny: Well the broken jaw isn't so bad now that you've helped me no longer be a pussy! Thanks Bobby!
by Nikias October 23, 2005
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14
A quite viable theory that states that the universe was at one point a tiny piece of hot mass. At some point, an unknown factor caused this hot piece of matter to explode, causing our universe to be born. The intense explosion is called the "Big Bang". Evidence for this theory exists in the form of Galactic seperation. This is what happens when galaxies repell away from eachother at extreme speeds. I think this is much more plausible than "a great being was bored one day and decided to create the universe"
Christians tell cosmologists to read the bible for the way the universe was created. Might i remind you that the same book stated that this earth was only 6,000 or so years old.
by Kompressor June 08, 2004
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