The act of secretively leaving your home and going partying with others at a non disclosed location and returning surreptitiously and mentioning none of it those at home on regular intervals having those around you puzzled as to where you always go and why!
Some domestic cats go gerbatronning at night too.
A hardcore gamer whos sweat has fused them into their gamer chair (throne).
The gamer chair (throne) will eventually take over the gamers body and form a cocoon.
Soon after, the victim will lose control of their body and senses and be taken over by gunk (sweat, chip dust, grease, dry ejaculate, etc). The gunk will form a mech-like suit and inevitably take over the world.
"Marco I left enough gunk in your mom last night to make a gunkatron." - Anthony
A relaxing time away from work, where nothing is done during time off except playing on the computer, logging in Facebook or Twitter time, playing video games, texting, playing with any new gadgets.
I will miss everyone at my Genius job at the Apple store, but I will be taking a Geekation for the next 5 days, doing nothing but vegging in front of my computer and playing video games.