What exactly is a keyboard warrior.
I've seen the term thrown around on here a few times but no-one who's used it actually knows what it means.
( The Mock TurtIe ™ --- Thinks you are a cunt, on, Tue 24 Aug 2010, 21:57, archived)

Like Rambo but with broken bits of a keyboard sellotaped to his face.

( JessAction Give me all your expensive brandy and hubcaps., Tue 24 Aug 2010, 21:59, archived)

This guy:
www.youtube.com/watch?v=WgDgB8Kk_t8#t=08s
( Spider Fucking Riviera got stiches for a knife wound for the first time, Tue 24 Aug 2010, 22:06, archived)