One who has experienced true Hell on the internet. This person has probably already gone insane. Talking to them will result in your own sanity or IQ loss. Talk to a /b/tard at your own risk, newfag.
"Rofldance, dude, did you see Rick Roll doing Weegee on top of Heavy Weapons Guy last night while on the phone with desu girl? But man, I tell you, Vagineer is as almost as scary as Ceiling Cat singing double rainbow, all the way. Zeus Cat, I'm such a /b/tard. Lol, internet."