W00t, there it is!
The origins of w00t:
The Lexicographer’s Rules, the weblog of Grant Barrett
The most likely explanation, as is usually the case, is far simpler. Woot is, with some caveats, probably derived from and most likely popularized by the dance catch phrase of 1993, “whoot, there it is!†In clubs and on dance floors across the country, in half-time shows and in baseball stadiums, “whoot, there it is†and plain old “woot!†were shouted long and loud by millions. It was used by hype men at hip-hop shows, dancers and cheerleaders at ball games, DJs at discos, and probably by ball-callers at bingos.