A person who uses informal slang terms in their text messages such as (dats, cuz, u, wuz, ur, n)
John: Hey man are you coming to the party?
Devin: ya man iz it 2nite?
John: dude what the fuck is that.
Devin: wat r u tlkin about?
John: dude your being totally text illiterate grow up you sound like a 13 year old douche.