Top definition
A large, two handed sword similar in style to the katana, but with the hilt and blade curving in different directions. Often used by samurai on horseback.
The samurai cut the stupid fucker's head off with his tachi sword.
by Darin Saine May 14, 2006
Get the tachi neck gaiter and mug.
May 14 Word of the Day
Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy
Person A: Man, that nutcase Martin Bryant guy shot 35 people in Tasmania!

Person B: No, he wasn't a nutcase, that was just a psyop so the government could have an excuse to ban guns.
by Mystikan April 11, 2006
Get a psyop mug for your fish Paul.
2
A tachi is said to be more curved and slightly longer than the katana.
by Dancing with Fire June 17, 2011
Get the Tachi neck gaiter and mug.
3
1. a large Japanese sword

2. a slang word for the "top" or active partner in a homosexual relationship. Probably an abbreviation of "tachi-yaku" (standing-role), a Japanese word for the lead male protagonist in kabuki and other forms of traditional Japanese drama.
1. samurai wa tachi de teki no kubi o haneta ("The samurai lopped off the head of his enemy with a big sword.")

2. kare ga tachi da sou de sugoku umai to kiita yo ("It seems that he is a top, and I've heard that he's awesomely good at it.")
by nek0mimi December 20, 2009
Get a tachi mug for your brother-in-law Paul.
4
Japanese slang for the top in a homosexual relationship.

See also neko
Craig is such a tachi! I'm tired of bottoming!
by epyonnxt May 08, 2005
Get a tachi mug for your father-in-law Vivek.
5
any name-tachi. In Japan you can attach tachi to a name and it means that persones group of friends.
Duo-tachi= duo's group
by Nasyki February 28, 2004
Get a Tachi mug for your barber Jerry.
6
A stunning beautiful girl who is always having fun.She is kind and caring at heart but can be confusing and annoying.She is also smart and funny but downplays herself.
OMG that's Tachi

She is so beautiful

How can she have so much fun
by Unknown691 March 03, 2018
Get a Tachi mug for your cat Zora.