the feeling of complete happiness/understanding one gets from any number of things. Such things include listening to a mindblowing guitar riff, or seeing a person you hate get screwed, among countless other things.
After listening to Hysteria, I can hardly think due to the intense mindgasm it brought me to.

After hearing Kristin got fired, I laughed for two straight minutes and smiled for the rest of the week. It was purely mindgasmic.
by Jake Seifert March 12, 2006
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It is when your mind is so stimulated, (usually by visual pleasures) that you begin to 'freak out'...have a mindgasm
All of the pretty colors and insane out-of-this-world music caused a mindgasm
by dreamer8402 April 8, 2009
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A metaphorical orgasm that happens after a mind has been blown.
After finally discovering the truth, Timmy had his mind blown, and then had a mindgasm.
by rcohen118 November 9, 2010
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1. A brief but intense pleasure experienced during mental arousal.

2. A thrilling point of intensity of emotional excitement.

Steve’s writing gives me mindgasms.

Mindgasms are good.
by ash lemon February 19, 2006
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A feeling so incredible it cannot be described in any other wording.
"Dude these chicken tenders are giving me a mindgasm."

"That painting is simply mindgasmic."
by djniosdfo October 2, 2011
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1. A brief but intense pleasure experienced during mental arousal.

2. A thrilling point of intensity of emotional excitement.

Steve’s writing gives me mindgasms.

Mindgasms are good.
by ashlemon February 21, 2006
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When a male is having great sex but is unable to erupt through penile explosion, however he still feels the same intensity of an orgasm. Sometimes called a Braingasm.
George was on some medication that greatly delayed his splooge factor. His girlfriend didn't mind because he could last a long time and he could have mindgasms that brought them both off.
by George Humpsalot March 11, 2009
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