Gosu 

REGGINS_WOOHOO aka GOD aka #1 in life aka your owner

Man wtf reggins_woohoo is too gosu for us we cant win lets save time and show class by leaving the game.

Gosu by Anon March 12, 2005

Gosu 

Go-Su
Korean for awsome/pro. Often used on the internet, for example Starcraft.
Often used with the symbols: "^_^" and/or dancing kurbys.

Nigmanoname - "L!OL!OO!L111!L11 1M T3H 1337 GOSU ^_^,
<(^_^(< <(^_^)> )>^_^)>"

Gosu by NigmaNoname November 9, 2003

Gosu 

an elite person at something, whether it be a game, a subject, etc.

Wow, that guy just AAAed MAX 300. He is gosu.

Gosu by r0derix March 27, 2005

Gosu 

Lower Merion Science Olympiad team's utter domination of the 2005 state competition.

Announcer: "And the medal goes to Lower Merion again!"
Penncrest kids: "Dang, those LM nerds are gosu!"

Gosu by Sheriff Spam April 29, 2005

gosu 

Gosus are the gods of Starcraft universe. Very versaile word nowadays with the generic meaning as a synonym to the phrase "as good as god".

The basic theorem of trigonometry: "Ooh, me so gosu!"
-AlluMayk

gosu by Eldariel June 6, 2003

Gosu 

To be good at something.

Often used on StarCraft Battle.net where it is sometimes defined as Graduate Of StarCraft University.

I owned you, I'm so gosu.

Gosu by € July 31, 2003

gosu 

A Warcraft III player who completely dominates all opponents.

Ultima is gosu.

gosu by Aoster October 15, 2003