Taichy 

Used to refer to uptight, bitchy, prissy, high maintenance girls that even thought hey are usually hot are not worth the effort.

"Yo man, that girl is pretty cute over there"

"Yeah, but you she looks taichy as shit; you dont want to deal with that"

"True"

Taichy by Mr. Magoo Balls November 21, 2010

Taichou 

The Japanese word for captain. Captain is a somewhat, high class position given to people. It can also mean a leader of a group or team.

Ichigo: Hey Toshiro, aren't you looking short?

Toshiro: It's Hitsugaya-taichou (Captain Hitsugaya) to you! And don't call me short!

Taichou by MageSoren May 21, 2008

Tachy Goes To Coventry 

A term used by vBulletin forum software to define its 'global ignore list'. Administrators of a forum can choose to put a user on this list. Their posts can be viewed by themselves, but all other users do not see their posts on the forum.

Forum Administrator: I think we need to Tachy Goes To Coventry that user already.

Tachy Goes To Coventry by benzoenator April 14, 2008

Tatchy

A mixture of annoying and try-hardy-ness but not at an extreme level.

Word founded by Jo Luu as of '06

Ehhhh he's a really nice guy in real life but on the net he's a bit tatchy....

Tatchy by jo luu September 30, 2006

Tachyon 

A theoretical particle beleived to travel at a speed greater than that of the speed of light. So far it has avoided detection by even the most powerful particle accellerators.

Your as elusive as a Tachyon.

Tachyon by Kirby Peawauket February 16, 2005

Tachycardia 

Increased heart rate. A heart rate greater than 100 beats per minute (bpm).

Her pulse was 130, therefore, she has tachycardia.

Tachycardia by CrazyBob62 July 18, 2006

Tatchy

The feeling you get from wearing a wooly sweater that your nan made that makes you itch like crazy and your skin crawl.

Man I cant wait for christmas to end this sweater my nan gave me is soo tatchy

Tatchy by Shingademous June 13, 2010