when you are having a conversation and this of the most perfect word to describe what you're talking about, and suddenly the word escapes your mind, and you spend a good 10+ minutes trying to remember the word. then out of nowhere the word comes back to you, your hands grip whatever is in arm-length and you let out a gasp.
"yeah my parents got married a lot later, but theyre quite.....crap i just had the perfect word"
"what was it"
"it had to do with uncommon, or against society"
(10+ minutes later)
(falls back onto bed, grabs the persons wrists)"oh my gosh i got it, unconventional" (gasp, smile, laugh, relief)
"geeze that was like an orgasm"
"oh no that was a brain-orgasm"
by holymoleydood August 7, 2009
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That feeling you get when you create something that you're really proud/excited about.
"Dude I'm having a total brain orgasm over this story I wrote!"

"This painting is giving me a huge brain orgasm."
by Coolness MacButt April 15, 2010
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A trick often displayed via an image to get the reader to first hyperventilate themselves and then blow on their thumb, causing oxygen deprivation. The result? A euphoric feeling, however it is not without its consequences, it will of course damage you and, with that euphoric feeling, is an extreme pain, both feelings do not last long.
"Hey dude check this trick out!"
"What?"
"1) Bring knees to chest

2) Breath deeply in and out for 20 seconds

3) Blow on thumb as hard as possible"
"Lets try it!"
"OH GOD! BRAIN ORGASM!"
by Lemen October 21, 2009
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synonymous with epiphany; a quite large realization; finally figuring something out, particularly after everyone else in a group.
Jim: Jenny just had a brain orgasm!
Tom: What the hell?!
Jim: She finally got the joke i told 10 minutes ago!
Tom: Dumb blondes....
by killshot ;) April 25, 2010
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when you hit a vape so much you get so light headed and buzzed
“oh my i’m buzzed
no ur having a brain orgasm”
by Jamie-Lynn Box April 26, 2021
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When you ignore all good sense and reason just to have an orgasm
Jim: bro I was about to finish in my girl and she wanted me to pull out but orgasm brain kicked in and I was like "fuck no bitch" so I'm single now and in 9 months I'm bout to have a chat with Maury.......
by Lookinstuup August 13, 2016
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An Orgasm So Pleasurable, So Good, So Deep, Painful, That You Get Overwhelmed With Sensations All Over Your Body That You Feel Like Your Brains Fried.
Jay: Yo Me And Josh Had The Best Threesome Last Night With Theresa!

Henry: NICE! Describe It.

Jay: We Had A Brain-Frying Orgasm!
by Alexcían Empire Thingy June 14, 2022
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