1. A theory that everything affects everything-means that everything you do is kinda importsnt and has a reason ; Even the smallest things that you do can really affect your life-it also claims that if you could go back to past and change things that you might think are not important, things today would change (like so much) ; It is a part of The Chaos Theory “This effect grants the power to cause a hurricane in China to a butterfly flapping its wings in New Mexico. It may take a very long time, but the connection is real. If the butterfly had not flapped its wings at just the right point in space/time, the hurricane would not have happened. “

2.An Ashton Kutcher movie from 2004.

3. A song by Travis Scott from 2017.
1. « Wow, i wonder what would have happened if i kissed Maria at that school dance »
« Dude, what are you talking about, don’t mess with that butterfly effect thing »
by therealnefertiti November 14, 2017
The scientific theory that a single occurence, no matter how small, can change the course of the universe forever.
1. A man travelled back in time to prehistoric ages and stepped on a butterfly, and the universe was entirely different when he got back.

2. The flap of a butterfly's wings changed the air around it so much that a tornado broke out two continents away.
by Jonah Rowley November 7, 2004
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
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
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
If a butterfly flapped its wings over the ocean then there would be a Hurricane in Asia.
by Butterfly's real power November 14, 2016
1. A theroy stating that if one was to step on a butterfly some 65 million years ago, it would change the entire course of history in the present.

2. As a butterfly flaps its wings in one part of the world, a disaster is happening in another part of the world.
2. A butterfly is flying in Africa. A tsunami is devestating Japan
by Spork, Destroyer of Worlds January 3, 2004