witextic
A person with a complete inability to detect sarcasm, irony, or any other form of subtle wit in text.
SarcasticLiberal: Hey, did you see Glenn Beck today? He is one astute observer of American politics. He should run for president!
Witextic: What? Glenn Beck is a total fucktard!
SarcasticLiberal: No shit Sherlock, what are you witextic?
Witextic: What? Glenn Beck is a total fucktard!
SarcasticLiberal: No shit Sherlock, what are you witextic?