Top Definition
The hardest work there is in life, because most people would rather die than think—relative to the sizes of other body parts, the brain uses an unfair amount of energy to function optimally.
Narrow-minded, illogical, or irrational thinking is the main cause of most of the violence happening in the world today: poor thinking only promotes poor behaving.
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by MathPlus April 21, 2017

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A complex process that typically involves head scratching and "Hmm" noises, and is often followed by an "aha!" in normal people, or a stupid comment in cheerleaders.
Steve: Suzy, do you want to go to the movies with me tonight?

Suzy: I can't; I'm thinking.
by Grent May 01, 2008

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using the muscle between your ears to create conclusions regarding what other people do and say.
I was thinking about the first definition of "thinking" and it pissed me off.
by BartRules October 31, 2003

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A past time that has been forgotten by americas youth and George W. Bush
"Dude so like the other day I was sitting there you know, and all of a sudden this idea came to me on how to solve this problem I'd been having it was weird."

"Yeah, I heard of something like that once its called like thinking or thoughting or something"

"Is it deadly?"
by penny-lane July 19, 2007

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this causes pain in the head, noggin, noodle, brain, scalp, eyebrows, and other areas in the head area. Can cause sickness if done too much.
I don't like to think. Thinking is dumb. Why do i think? I am not a thinker!
by Jenny September 17, 2003

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