The theory that even the smallest step one takes in his/her life can change the course of said life immensely. The name of this theory came to be when a Chaos Theory stated: "It has been said that something as small as the flutter of a butterfly's wing can ultimately cause a typhoon halfway around the world."
Right vs. Left
Up vs. Down
Noon vs. Midnight

These choices, once chosen, are all examples of the Butterfly Effect and how one of these choices vs. another will affect one's life greatly.
by ButterflyEffect April 25, 2009
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The scientific theory that a single occurrence, no matter how small, can change the course of the universe forever.
In the popular game, Life Is Strange, the main character discovers she has the ability to rewind time and leads to enact the Butterfly Effect
by imTHATgirl June 2, 2015
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Theory that everything matters. That even the flutter of a butterfly's wings can cause a hurricane on the otherside of the world. If you change even the smallest of life's details, you completely change its outcome.
You should go see the movie butterfly effect.
by Professor July 17, 2004
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when you kiss a girl on the neck or anywhere that makes her feel butterflies in her tummy...
wait till i get my hands on you. i'll teach your tummy the real meaning of the butterfly effect
by ed the Word September 14, 2009
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An aussie metal band from brisbane. they are really good live. strong chords and vocals.

and NOT THE ASHTON KUTCHER MOVIE...what a crap-a-thon
"i saw the butterfly effect bout 2 months ago at the albany creek tavern. they were awesome"
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an action that redefines the future
when elijah come back and redefines equality through the ecology and economy hence butterfly effect
by Imanuel July 13, 2009
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1. The theory that everything that happens must happen; that you can't save one thing without destroying something else. Coming from the idea of a butterfly caught in a spider's web. You can't save the butterfly without killing the spider (through violence or starvation).
(Also personified in the more popular saying, "Live and Let Die")
2. ... Also the name of a movie that portrays the previous definition. Er, I think. I haven't actually seen it. Is it any good? Excuse me if I don't hold my breath...
Stopping the bombing of Hiroshima would most likely have the butterfly effect that would have costed a multitude more lives.
(Please excuse the politically incorrect referance. My most heart-felt apologies go out to anyone particularly connected the the incident portrayed in this example.)
by Supermanchild January 3, 2004
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