A fork of Rural Dictionary
The term pertains to someone unable to use language correctly. The word implies that someone cannot spell, speak, form sentences, or in any way converse at a level at or equal to that of Republican vice-presidential candidates.
"Man, why was ridiculous spelled wrong in that email?" "Probably because Eric is sub-literate."
means the same as obliterate.
man, am I gonna sub-literate those working classes today.