They do...
I know a girl that says 'w00t', 'w00tage' and 'Owned!!' So they do exist
(
Das UberWoo,
Wed 30 Mar 2005, 19:55,
archived)
I know one too
and you have no idea how annoying it is when someone says that stuff out loud
(
Amorpha,
Wed 30 Mar 2005, 21:40,
archived)