The act of becoming emotionally and physically aroused by the sight or the thought of a technicality of a certain topic of major interest.

It resembles an "orgasm of the mind".

Geeking out is not a universal feeling. As a result, if one person in a group geeks out, everyone else is wondering in curiosity what is wrong with that person.
I geek out all the time that I read about my favorite software language.

When I saw how all the computers were built, I totally geeked out!

When I heard that he had collected all the baseball cards that I had looked for for so long, and he finally offered to show me that collection, I totally geeked out!
by DENSC March 15, 2009
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to become immediately obsessive or enthralled in a subject that is considered by many to be geek-favorable. this includes comics, books, technology, etc.
i was done with comics, so i never expected to geek out when i heard about the Xmen movie, but i still reread every issue i had in like 3 days!!
by ben dover Hugh Gass July 15, 2011
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(adj) to be high on a stimulant. Usually cocaine.
That strippers eyes are so big and shes moving so fast that she has to be geeked out.
by Jacob Perrotta December 28, 2005
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freaking out over something that could be considered nerdy/geeky and knowing it
I got the lab results back and my thesis was right! I was totally geeking out!

I found a book written in 1813 at work today and it made me completely geek out!
by krista91 July 10, 2009
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To spend an ammount of time discussing geekish things with other geeks, or to participate in geeky undertakings and pasttimes with one or more other geeks.
Geek 1: Wow.. how long have we been talking about World of Darkness?
Geek 2: Hm.. seems we've been geeking out for about three hours now
by Atrian October 19, 2006
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Someone who is using methamphetamines and is skitzing or behaving obsessively about doing something is geeked out. Someone spending hours to accomplish a meaningless task: trying to fix and unbroken item, playing games for obscene amounts of time, picking at skin for no reason, deciding to organize an unruley amount of items by color-shape-size-alphabetically-and numerically when it does not freaking matter. All done in consecutive amounts of time-without breaks & without blinking!
MAN 1: "You mean you skitzed last night and have been organizing all 5,000 baseball cards according to the third initial in the players last name? Man your geeked out!"
MAN 2: no reply because focused too hard on pointless task & did not even hear MAN 1 talk.
by shera September 6, 2007
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Laughing uncontrollably and in an obnoxious matter for no reason.. or for a reason that is pretty random. Person has been using drugs and is high.
Doug: "Dude check out that book on the table"
Scott: "hahahaha! dude! hahahahaha!"
Doug: "man, stop geeking out.."
by scott April 19, 2004
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