Woot originated as a hacker term for root (or administrative) access to a computer. However, with the term as coincides with the gamer term, "w00t".

"w00t" was originally an trunicated expression common among players of Dungeons and Dragons tabletop role-playing game for "Wow, loot!" Thus the term passed into the net-culture where it thrived in video game communities and lost its original meaning and is used simply as a term of excitement.
"I defeated the dark sorcerer! Woot!"

"woot! i r teh flagmastar!" (Think Tribes)

"Woot, I pwnzed this dude's boxen!'
by Weatherlight April 5, 2004
Get the woot mug.
See also wOOt, w00t and WOOT

1) An interjection similar to "YAYE!" or "Woohoo!" used to express joy or excitement, usually about some kind of accomplishment. Primarily used by gamers, spreading rapidly to anyone who chats online

Gaming origins: We Owned the Other Team
or Wonderful Loot (Everquest gaming slang)

2) To express agreement

3) As an acronym, can mean Waste of Our Time or Way Out of Topic (online forums) Less common.
1)woot! I got an A on this test.

2)Robyn: Eric is such a tool. Let's put packing peanuts in his desk.
Stefanie: woot!
by Stefanie November 7, 2004
Get the woot mug.
A word originating from the old D&D games, was used to express excitement when finding treasure, the player would say "Wow loot!" thus over time turning into "w00t" in the videogame world, as a form of satisfaction or victory..
"Wow loot!" -- Originating from D&D days..
by John Doe September 13, 2004
Get the woot mug.
A leet speak form of saying huzzah or hurray.

It originated from back in the days of MUD games, after killing an opponent loot was a rare find, so if someone found loot they would say "wow loot!". This evolved into "woot" for short which further evolved to simply be a general exclamation of excitement.
Bob: I just killed a monster! wow loot!

>evolved>

Bob: I just killed a monster! woot!

>evolved>

Bob: Something good just happened! w00t!
by Yelgath January 29, 2008
Get the woot mug.
In 1990 we used woot when playing tabletop dice Dungeons and Dragons when we came across good gear or loot.. Now its worked its way into online games and chat speak.

Same sorta meaning, excitment, happy, wow I found someone I wanted or liked.

DM: You come across a chest filled with unicorn horns.
Mage: WOOT!
Druid: HOW HORRIBLE!
by treesekaon March 28, 2009
Get the woot mug.
A shout of exciment from a geek, nerd, and/or dork within the internet.
by Don Wilson April 3, 2003
Get the woot mug.
A shrill, obnoxious noise/word used by immature people to express happiness or excitement. Supposedly started in the gamer community, but is now used by any slack-jawed moron to express delight.
"Looks like your team has now won ten in a row."

"Woot woot! *belch*"

"Um, wouldn't a simple "hooray" work, instead of waking everyone in the neighboorhood?"
by ucud July 11, 2008
Get the woot mug.