geek out is a lame term used to describe when a person starts to get really fucked up and cannot control their actions, words, or emotions. Usually used in the mid 90's or in a hippie society.
I told you not to let that motherfucker hit the bong again, see he's starting to geek out and shit.

Hey bitch, if you start to geek out I'm going to slap you right in your face!
by Shaun July 29, 2005
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Looking up news, specifics, or trivia about an idol or their work.
I wanted to check on an item I'd bid on but my roommate was geeking out on imdb.
by madmaxxx March 15, 2005
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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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