A really ridiculous symbol for laughing used on the Internet conceived by a bunch of Inuyasha-watching anime deadbeats. OK so LOL is really annoying too, but xD is absurdly stupid and everyone has to stop using it RIGHT NOW.
Smart guy: Hi what's up?
Idiot: I saw the new Inuyasha xD
Smart Guy: What's ur address again?
Idiot: 21 Elm St.
Smart Guy: Leave the door open, b/c you're gonna die
Idiot: XD XD XD XD X(slice)