Acronym for Antiquated Technologies Academy, formerly the Advanced Technology Academy, but technology has passed the school by at the turn of the century.

1. A magnet school located in Northern Las Vegas, full of nerds (a.k.a. an unstylish, unattractive, or socially inept person; especially : one slavishly devoted to intellectual or academic pursuits <computer nerds>)

In fighting games, teching is defined as the process of recovering from hit stun sooner than you would normally by waiting it out.

In smash bros, it can be done by pressing the guard button a few frames before hitting the ground.

It will look as though the character catches themselves before they hit the ground and get back on their feet. It is an important skill when going up against a character with great power that delivers strong hit stun.

Technology inspired erection

Tech on - A term used when you totally want to rock out, but are listening to electronic music rather than rock. Similar meaning to rock, rock on, rock out, etc. except that rock is much cooler.

It's also an Asian tech news thing, but the first definition is much cooler.

1. abbreviation for "technique," most frequently used in the context of a video game. The plural of this abbreviation is just "tech."
2. abbreviation for "technology."

Intratec TEC-9 9mm semi-automatic pistol. Pre-ban version could accomodate a 50 round magazine and had a threaded barrel to accept a silencer or barrel extention. It could be easily modified with "hellfire" rapid fire triggers, or full automatic mode.