freaking out over something that could be considered nerdy/geeky and knowing it

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

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.

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.

Laughing, abnormally and uncontrollably, due to the consumption of Marijuana.
Laughter is often accompanied by tears and occurs, most often, in the early stages of one's relationship with Marijuana - with instances becoming fewer with (smoking) experience.
Often while geeking out, one's abdominal muscles will begin to cramp and his friends will either try to prolong the geek session by being randomly funny or become extremely annoyed.

-verb

1. when a geek is captivated by anything geeky, for

example their computer, causing them to totally

disregard the time and the people around them.

2. common reason why a geek is "running late" to an

event or even work.

3. a way for a geek to express their true geekiness

without inflicting boredom on their loved ones

The act of doing something exceptionally geeky. Especially in the case of something that requires prolonged planning or preparation.