(Noun) The accidental emoticon which can awkwardly convey an emotion you had no intention of conveying.
I accidentally sent a heart emoticon to my friend's girlfriend, but it was a total emotitypo. I would never usually do that, and now I feel awkward looking at either of them.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi