1. To improve or upgrade the technology that one uses, especially in businesses or schools. The nonprofit has been teching up in order to improve its ability to connect with those in need more quickly and efficiently. I'm amazed at how much classrooms have teched up since I was a kid.
2. In real-time strategy games, to increase one's technological skills or capabilities in-game so as to give one access to upgraded units. The game starts you out with very basic resources, and you are given the ability to tech up as you gain experience and money.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.