Someone who has no idea how to use the English language, yet insists on spreading his/her own horribly distorted version around the 'net, unaware or uncaring that they are demonstrating to the world just how stupid they are.
Individual #1: "Dude, you're so gullable. I wan2 kil u."
A particular variety of spidiot who insists on submitting offensive, mis-spelled, innacurate or obscenity-riddled entries to UrbanDictionary.com under the false impression that this somehow makes them funny.
"There are far too many urban dicks around this site."