A combination of the words "retard" and "nation".
A nation or defined group of people that seem mentally retarded, stupid, or "special"; A cluster-fuck of stupid people.
What it was like to be naughty in the not to distant past, when a casual gesture or word was thought of as funny and a little naughty, not like today when it might considered sexist or sexual discrimination.
My lady co-worker giggled over my retronaughty advances but my boss said it was sexist.
when a preson on a forum types in a manner in which it is not understandable to the audience or the reader(s). such typing manners inculde: upper and lower case switching, internet slang/ebonics, "gagsta" typing, replacement of letters with numbers, improper use of gramer, trying to act smart, etc...
A.what did he just type out?
B.im not soo sure, what that is...
C.yup its retardnese.
A.oh i see it now.