1) A very intuitive person who just happens to be able to figure out technology just by playing around with it, usually without any prior experience with said technology. This person is able to figure out any technology, from cell phones, to car stereos, to paper shredders.
2) Never needs instructions on assembly of any new technology and always does it right.
Yogi's such a techack. He's never even used that cell phone before and he's managed to program his own ring.
A piece of technology that fully consumes someone's attention to the exclusion of most, if not all, other matters. Usually it involves some incredibly new or much-coveted device with complicatedinstructions and/or really cool and modern features. In other words, an extremely addictive and prohibitavely expensive little gadget. (NOTE: can be used as noun or adjective).
ADJECTIVE: I broke up with my boyfriend because he cares so much about his technocrack telephone and how it works that he never actually calls me on it.
NOUN: The latest mp3 device is such technocrack that all I want to do is download stuff to it and play it as loud as I want to for as long as I want to.
When a technical support person walks into an office to work on one issue and is then overwhelmed by end users and all their problems they never opened a ticket for.
Boss: Billy, where have you been?
Billy: I went out on to the floor to install that monitor and 5 other end users came to me with 12 other issues they never opened a ticket for.