exclamation 1. used mainly online as an expression of joy. Also spelled w00t. (That is - using zeroes rather than O's.) Typically the "w" is written in lower case. ("I just finished making my game modification. w00t!") Submitted by Justin Gregg, Harrah, OK, USA, 29-12-2002.
WOOT
Meaning of WOOT in English
Slang English vocab. Английский сленговый словарь. 2012